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Mathematical function
In mathematics, the Dedekind eta function, named after Richard Dedekind, is a modular form of weight 1/2 and is a function defined on the upper half-plane
Dedekind_eta_function
Function in analytic number theory
In mathematics, in the area of analytic number theory, the Dirichlet eta function is defined by the following Dirichlet series, which converges for any
Dirichlet_eta_function
Seventh letter in the Greek alphabet
Eta (/ˈiːtə, ˈeɪtə/ EE-tə, AY-tə; uppercase Η, lowercase η; Ancient Greek: ἦτα ē̂ta [ɛ̂ːta] or Greek: ήτα ita [ˈita]) is the seventh letter of the Greek
Eta
Topics referred to by the same term
eta function may refer to: The Dirichlet eta function η(s), a Dirichlet series The Dedekind eta function η(τ), a modular form The Weierstrass eta function
Eta_function
Mathematical functions related to Weierstrass's elliptic function
Weierstrass eta function should not be confused with either the Dedekind eta function or the Dirichlet eta function. The Weierstrass p-function is related
Weierstrass_functions
Conditions for switching order of integration in calculus
Dirichlet eta function as follows: η ( s ) = ∑ n = 1 ∞ ( − 1 ) n − 1 n s = 1 − 1 2 s + 1 3 s − 1 4 s + 1 5 s − 1 6 s ± ⋯ {\displaystyle \eta (s)=\sum _{n=1}^{\infty
Fubini's_theorem
Differential operator
generalization of the Dirichlet eta function. They also later used the eta invariant of a self-adjoint operator to define the eta invariant of a compact odd-dimensional
Eta_invariant
Mathematical identities related to integer partitions
eta function in their Weber form: G M ( q ) = η W ( q 5 ) 1 / 2 η W ( q ) − 1 / 2 R ( q ) − 1 / 2 {\displaystyle G_{M}(q)=\eta _{W}(q^{5})^{1/2}\eta
Rogers–Ramanujan_identities
Special functions of several complex variables
1 , {\displaystyle \tau =n{\sqrt {-1}},} and Dedekind eta function η ( τ ) . {\displaystyle \eta (\tau ).} Then for n = 1 , 2 , 3 , … {\displaystyle n=1
Theta_function
Analytic function in mathematics
physics. 1 + 2 + 3 + 4 + ··· Arithmetic zeta function Apéry's constant Basel problem Dirichlet eta function Generalized Riemann hypothesis Lehmer pair Particular
Riemann_zeta_function
Synchrotron function Riemann zeta function: A special case of Dirichlet series. Riemann Xi function Dirichlet eta function: An allied function. Dirichlet
List of mathematical functions
List_of_mathematical_functions
Evaluates a certain product of values of the Gamma function at rational values
certain product of values of the gamma function at rational values in terms of values of the Dedekind eta function at imaginary quadratic irrational numbers
Chowla–Selberg_formula
Function studied by Ramanujan
(q)^{24}=\eta (z)^{24}=\Delta (z),} where ϕ {\displaystyle \phi } is the Euler function, η {\displaystyle \eta } is the Dedekind eta function, Δ ( z )
Ramanujan_tau_function
Polynomials used in approximation theory
height as the equiripple peaks. The Jacobi eta function can be defined in terms of a Jacobi auxiliary theta function, H ( φ | κ ) = θ 1 ( a | b ) {\displaystyle
Zolotarev_polynomials
Natural number
modular forms through the Dedekind eta function η ( τ ) = q 1 / 24 ∏ n > 0 ( 1 − q n ) , q = e 2 π i τ . {\displaystyle \eta (\tau )=q^{1/24}\prod _{n>0}(1-q^{n})
24_(number)
Series related to Ramanujan's pi formulas
\end{aligned}}} with the j-function j(τ), Eisenstein series E4, and Dedekind eta function η(τ). The first expansion is the McKay–Thompson
Ramanujan–Sato_series
\eta (2\tau )}{\eta (\tau )}}.\end{aligned}}} These are also the definitions in Duke's paper "Continued Fractions and Modular Functions". The function
Weber_modular_function
Divergent series
uses the relationship between the Riemann zeta function and the Dirichlet eta function η(s). The eta function is defined by an alternating Dirichlet series
1_+_2_+_3_+_4_+_⋯
Number of partitions of an integer
specifically the Dedekind eta function. The same sequence of pentagonal numbers appears in a recurrence relation for the partition function: p ( n ) = ∑ k ∈ Z
Partition function (number theory)
Partition_function_(number_theory)
Mathematical theorem about the real analytic Eisenstein series
a real analytic Eisenstein series (or Epstein zeta function) in terms of the Dedekind eta function. There are many generalizations of it to more complicated
Kronecker_limit_formula
Conjecture on zeros of the zeta function
this continuation observes that the series for the zeta function and the Dirichlet eta function satisfy the relation ( 1 − 2 2 s ) ζ ( s ) = η ( s ) =
Riemann_hypothesis
Analytic function on the upper half-plane with a certain behavior under the modular group
discriminant The Dedekind eta function is defined as η ( z ) = q 1 / 24 ∏ n = 1 ∞ ( 1 − q n ) , q = e 2 π i z . {\displaystyle \eta (z)=q^{1/24}\prod _{n=1}^{\infty
Modular_form
Modular function in mathematics
)^{3}-27g_{3}(\tau )^{2}=(2\pi )^{12}\,\eta (\tau )^{24}} , Dedekind eta function η ( τ ) {\displaystyle \eta (\tau )} , and modular invariants, g 2 (
J-invariant
Topics referred to by the same term
Look up eta or ETA in Wiktionary, the free dictionary. Eta (Η or η) is the seventh letter of the Greek alphabet. Eta or ETA may also refer to: Eta (given
Eta_(disambiguation)
Generalized function whose value is zero everywhere except at zero
\eta _{\varepsilon }*\eta _{\delta }=\eta _{\varepsilon +\delta }} for all ε, δ > 0. Convolution semigroups in L1 that approximate the delta function are
Dirac_delta_function
Transcendental single-variable function
tangent integral, polygamma function, Riemann zeta function, Dirichlet eta function, and Dirichlet beta function. The Clausen function of order 2 – often referred
Clausen_function
Concept in economics
η {\displaystyle \eta } is a constant that is positive for risk averse agents. Since additive constant terms in objective functions do not affect optimal
Isoelastic_utility
Symmetric holomorphic function
)=k^{2}(\tau )} . In terms of the Dedekind eta function η ( τ ) {\displaystyle \eta (\tau )} and theta functions, λ ( τ ) = ( 2 η ( τ 2 ) η 2 ( 2 τ ) η 3
Modular_lambda_function
Mathematical function
{\displaystyle (3n^{2}-n)/2} is a pentagonal number. The Euler function is related to the Dedekind eta function as ϕ ( e 2 π i τ ) = e − π i τ / 12 η ( τ ) . {\displaystyle
Euler_function
signature defect of the boundary of a manifold as the eta invariant, the value as s=0 of their eta function, and used this to show that Hirzebruch's signature
Shimizu_L-function
Symbols for constants, special functions
Eta function of Ludwig Boltzmann's H-theorem ("Eta" theorem), in statistical mechanics Information theoretic (Shannon) entropy η {\displaystyle \eta }
Greek letters used in mathematics, science, and engineering
Greek_letters_used_in_mathematics,_science,_and_engineering
Infinite series with alternating signs
functional equations of what are now known as the Dirichlet eta function and the Riemann zeta function. The series' terms (1, −2, 3, −4, ...) do not approach
1_−_2_+_3_−_4_+_⋯
Special mathematical function
to Dirichlet eta function and the Dirichlet beta function: Li s ( − 1 ) = − η ( s ) , {\displaystyle \operatorname {Li} _{s}(-1)=-\eta (s),} where η(s)
Polylogarithm
Topics referred to by the same term
function can refer to any of three functions, all introduced by Richard Dedekind Dedekind eta function Dedekind psi function Dedekind zeta function This
Dedekind_function
Mathematical function
Euler function, which is closely related to the Dedekind eta function. The Jacobi theta function may be written in terms of the Ramanujan theta function as:
Ramanujan_theta_function
vector valued function η {\displaystyle \eta } such that f ( x ) − f ( u ) ≥ η ( x , u ) ⋅ ∇ f ( u ) , {\displaystyle f(x)-f(u)\geq \eta (x,u)\cdot \nabla
Invex_function
Basque separatist group (1960–2018)
ETA, an acronym for Euskadi Ta Askatasuna ('Basque Homeland and Liberty' or 'Basque Country and Freedom' in Basque), was an armed Basque nationalist and
ETA_(separatist_group)
Class of mathematical functions
24 {\displaystyle \Delta =(2\pi )^{12}\eta ^{24}} where η {\displaystyle \eta } is the Dedekind eta function. For the Fourier coefficients of Δ {\displaystyle
Weierstrass_elliptic_function
Ability of an imaging system to resolve detail
\operatorname {sinc} (\xi ,\eta )} function corresponding to the active area. That last function serves as an overall envelope to the MTF function; so long as the
Optical_resolution
Mathematical technique in thermal field theory
S_{\eta }={\frac {1}{\beta }}\sum _{i\omega }g(i\omega )={\frac {1}{2\pi i\beta }}\oint g(z)h_{\eta }(z)\,dz,} As in Fig. 1, the weighting function generates
Matsubara_summation
Family of probability distributions related to the normal distribution
\right)}=h(x)\,\exp \left[\eta (\theta )\cdot T(x)-A(\theta )\right]} where T(x), h(x), η(θ), and A(θ) are known functions. The function h(x) must be non-negative
Exponential_family
Natural number
Ramanujan τ {\displaystyle \tau } -function and which is (up to a constant multiplier) the 24th power of the Dedekind eta function: Δ ( τ ) = ( 2 π ) 12 η 24
12_(number)
products of a sawtooth function. Dedekind introduced them in the 1880's to express the functional equation of the Dedekind eta function, in a commentary to
Dedekind_sum
Type of generalization of periodic functions in Euclidean space
harmonic analysis and number theory, an automorphic form is a well-behaved function from a topological group G {\displaystyle G} to the complex numbers (or
Automorphic_form
Indian mathematician (1887–1920)
(\theta )|<\pi } , where Γ(z) is the gamma function, and related to a special value of the Dedekind eta function. Expanding into series of powers and equating
Srinivasa_Ramanujan
Continued fraction closely related to the Rogers–Ramanujan identities
throughout this section since the q-expansion of the j-function (as well as the well-known Dedekind eta function) uses q = e 2 π i τ {\displaystyle q=e^{2\pi i\tau
Rogers–Ramanujan continued fraction
Rogers–Ramanujan_continued_fraction
Concept in machine learning
{\displaystyle C(\eta )} is any differentiable strictly concave function such that C ( η ) = C ( 1 − η ) {\displaystyle C(\eta )=C(1-\eta )} . Table-I shows
Loss functions for classification
Loss_functions_for_classification
Function that maps matrices to matrices
{\begin{aligned}f(a+\eta b)&=f(a)+f'(a){\frac {\eta b}{1!}}+f''(a){\frac {(\eta b)^{2}}{2!}}+f'''(a){\frac {(\eta b)^{3}}{3!}}\\[.5em]&=a^{3}+3a^{2}(\eta b)+3a(\eta b)^{2}+(\eta
Analytic_function_of_a_matrix
Special mathematical function
last identity was derived by Malmsten in 1842. Hurwitz zeta function Dirichlet eta function Polylogarithm Dirichlet Beta – Hurwitz zeta relation, Engineering
Dirichlet_beta_function
signature defect of the boundary of a manifold as the eta invariant, the value as s = 0 of their eta function, and used this to show that Hirzebruch's signature
Signature_defect
Optimization algorithm
sequence η n {\displaystyle \eta _{n}} satisfying the Wolfe conditions (which can be found by using line search). When the function f {\displaystyle f} is convex
Gradient_descent
z ) {\displaystyle \eta (z)} denote the Dedekind eta function. Then for q = e 2 π i z {\displaystyle q=e^{2\pi iz}} , the function S ~ ( z ) := q − 1 /
Spt_function
Second-order differential operator
{\displaystyle \eta _{00}=1} , η 11 = η 22 = η 33 = − 1 {\displaystyle \eta _{11}=\eta _{22}=\eta _{33}=-1} , η μ ν = 0 {\displaystyle \eta _{\mu \nu }=0}
D'Alembert_operator
Sporadic simple group
12256q^{4}+39350q^{5}+\dots \end{aligned}}} and η(τ) is the Dedekind eta function. Norton & Wilson (1986) found the 14 conjugacy classes of maximal subgroups
Harada–Norton_group
Generating function for quantum correlation functions
Grassmann currents η {\displaystyle \eta } and η ¯ {\displaystyle {\bar {\eta }}} so that the partition function is Z [ η ¯ , η ] = ∫ D ψ ¯ D ψ e i
Partition function (quantum field theory)
Partition_function_(quantum_field_theory)
German mathematician (1877–1938)
inequality Landau–Ramanujan constant Landau's problem on the Dirichlet eta function Landau kernel Endmund Landau (1895). "Zur relativen Wertbemessung der
Edmund_Landau
Continuous probability distribution, named after Benjamin Gompertz
function of the Gompertz distribution is: f ( x ; η , b ) = b η exp ( η + b x − η e b x ) for x ≥ 0 , {\displaystyle f\left(x;\eta ,b\right)=b\eta
Gompertz_distribution
relation Cyclotomic polynomials H. G. Dawson: Dawson function Richard Dedekind: Dedekind eta function Charles F. Dunkl: Dunkl operator, Jacobi–Dunkl operator
List of eponyms of special functions
List_of_eponyms_of_special_functions
Sporadic simple group
{\eta (\tau )\,\eta (3\tau )}{\eta (2\tau )\,\eta (6\tau )}}\right)^{3}+2^{3}\left({\tfrac {\eta (2\tau )\,\eta (6\tau )}{\eta (\tau )\,\eta (3\tau
Fischer_group_Fi22
Mathematical integral
{\displaystyle F_{j}(0)=\eta (j+1),} where η {\displaystyle \eta } is the Dirichlet eta function. Incomplete Fermi–Dirac integral Gamma function Polylogarithm Gradshteyn
Complete_Fermi–Dirac_integral
Modular form
the Dedekind eta function. The Fourier coefficients here are written τ ( n ) {\displaystyle \tau (n)} and called 'Ramanujan's tau function', with the normalization
Cusp_form
German mathematician (1831–1916)
Dedekind domain Dedekind eta function Dedekind-infinite set Dedekind number Dedekind psi function Dedekind sum Dedekind zeta function Ideal (ring theory) "Dedekind"
Richard_Dedekind
Stellar system in the constellation Carina
Eta Carinae (η Carinae, abbreviated to η Car), formerly known as η Argus, is a stellar system containing at least two stars with a combined luminosity
Eta_Carinae
Class of statistical models
distributions, 2. A linear predictor η = X β {\displaystyle \eta =X\beta } , and 3. A link function g {\displaystyle g} such that E ( Y ∣ X ) = μ = g − 1
Generalized_linear_model
Infinite product for pi
{\displaystyle k\rightarrow \infty } . The Riemann zeta function and the Dirichlet eta function can be defined: ζ ( s ) = ∑ n = 1 ∞ 1 n s , ℜ ( s ) > 1
Wallis_product
Sporadic simple group
11202q^{3}+49152q^{4}+\dots \end{aligned}}} and η(τ) is the Dedekind eta function. Conway et al. (1985) "ATLAS: Conway group Co3". "ATLAS: Conway group
Conway_group_Co3
Two-dimensional laminar boundary layer that forms on a semi-infinite plate
stream function. The stream function is directly proportional to the normalized function, f ( η ) {\displaystyle f(\eta )} , which is only a function of the
Blasius_boundary_layer
Second-order partial differential equation describing motion of mechanical system
small and η {\displaystyle \eta } is a differentiable function satisfying η ( a ) = η ( b ) = 0 {\displaystyle \eta (a)=\eta (b)=0} . Then define Φ ( ε
Euler–Lagrange_equation
Function related to statistics and probability theory
{\boldsymbol {\eta }}} and the sufficient statistic T ( x ) {\displaystyle \mathbf {T} (x)} , minus the normalization factor (log-partition function) A (
Likelihood_function
Special type of functions in mathematics
{\displaystyle S_{mn}(c,\eta )=(1-\eta ^{2})^{m/2}Y_{mn}(c,\eta )} , the function Y m n ( c , η ) {\displaystyle Y_{mn}(c,\eta )} satisfies ( 1 − η 2
Prolate spheroidal wave function
Prolate_spheroidal_wave_function
Probability distribution
{\displaystyle \eta } . It is more flexible than the Gumbel distribution. The hazard rate is a concave function of F ( x ; b , η ) {\displaystyle F(x;b,\eta )} which
Shifted_Gompertz_distribution
Sporadic simple group
2q^{3}+10698752q^{4}+\cdots \end{aligned}}} and η(τ) is the Dedekind eta function. Wilson (1999) found the 30 conjugacy classes of maximal subgroups of
Baby_monster_group
Probability distribution
{\displaystyle V_{p}(x,f)=\eta \cdot L(x,f)+(1-\eta )\cdot G(x,f)} with 0 < η < 1 {\displaystyle 0<\eta <1} . η {\displaystyle \eta } is a function of full width at
Voigt_profile
Four finite groups derived from the Leech lattice
{\eta ^{2}(2\tau )}{\eta (\tau )\,\eta (4\tau )}}\right)^{24}\\&=\left(\left({\frac {\eta (\tau )}{\eta (4\tau )}}\right)^{4}+4^{2}\left({\frac {\eta (4\tau
Conway_group
Function that ranks states of society according to their desirability
the function w must be the isoelastic function: c 1 − η − 1 1 − η {\displaystyle {\frac {c^{1-\eta }-1}{1-\eta }}} This family has some familiar members:
Social_welfare_function
26-dimensional string theory
_{1}<{\frac {1}{2}}\right\}} . η ( τ ) {\displaystyle \eta (\tau )} is the Dedekind eta function. The integrand is of course invariant under the modular
Bosonic_string_theory
Theorem in number theory
Euler's function, which is closely related to the Dedekind eta function, and occurs in the study of modular forms. The modulus of the Euler function (see
Pentagonal_number_theorem
In physics, solution to Schrödinger equation
hypergeometric function, η = Z m c α / ( ℏ k ) {\displaystyle \eta =Zmc\alpha /(\hbar k)} and Γ ( z ) {\displaystyle \Gamma (z)} is the gamma function. The two
Coulomb_wave_function
Computer programming function
transformations correspond to functions of the form eta :: F a -> G a, where a is a universally quantified type variable – eta knows nothing about the type
Map_(higher-order_function)
{\displaystyle \eta (z)} the Dedekind eta function, the modular form f α , β ( z ) = η ( z ) 2 α η ( z ) 2 β ¯ ¯ {\displaystyle f_{\alpha ,\beta }(z)=\eta (z)^{2\alpha
Automorphic_factor
Algebraic curve in mathematics
)^{2}=(2\pi )^{12}\,\eta ^{24}(\tau )} is generally a transcendental number. In particular, the value of the Dedekind eta function η(2i) is η ( 2 i ) =
Elliptic_curve
Archaic letter in the Greek alphabet
the historical Greek alphabet letter eta (Η) and several of its variants, when used in their original function of denoting the consonant /h/. The letter
Heta
Summation method for some divergent series
summation to the zeta function (or rather, to the related Dirichlet eta function) yields (cf. Globally convergent series) 1 1 − 2 k + 1 ∑ i = 0 k 1 2
Euler_summation
Plane algebraic curve
McKay–Thompson series for the class 2B of the Monster, and η is the Dedekind eta function, then x = ( j 2 + 256 ) 3 j 2 2 , {\displaystyle x={\frac {(j_{2}+256)^{3}}{j_{2}^{2}}}
Classical_modular_curve
Concept in algebraic number theory
cubics can be exactly given by quotients of the Dedekind eta function η(τ), a modular function involving a 24th root, and which explains the 24 in the
Heegner_number
Special mathematical function
{1}{n^{s}}}=\Phi (1,s,1)} The Dirichlet eta function: η ( s ) = ∑ n = 1 ∞ ( − 1 ) n − 1 n s = Φ ( − 1 , s , 1 ) {\displaystyle \eta (s)=\sum _{n=1}^{\infty }{\frac
Lerch_transcendent
Prime number with a certain relationship to an elliptic curve
{\displaystyle \eta (\tau )^{2}\eta (11\tau )^{2}} vanishes modulo p {\displaystyle p} , where η {\displaystyle \eta } is the Dedekind eta function. More generally
Supersingular prime (algebraic number theory)
Supersingular_prime_(algebraic_number_theory)
Coordinate transformation that preserves the form of Hamilton's equations
(\eta ,t;\alpha )=\eta +\alpha \{\eta ,G(\eta ,t)\}+{\frac {1}{2!}}\alpha ^{2}\{\{\eta ,G(\eta ,t)\},G(\eta ,t)\}+\cdots =e^{-\alpha {\tilde {G}}}\eta }
Canonical_transformation
German company
"Board of Management - ETAS worldwide - ETAS". ETAS. Retrieved 2023-10-15. "About ETAS - ETAS worldwide - ETAS". Germany: ETAS. Retrieved 2023-10-15.
ETAS
Sporadic simple group
}+1956q^{4}+5135q^{5}+\dots \end{aligned}}} and η(τ) is the Dedekind eta function. It can be defined in terms of the generators a and b and relations a
Held_group
domain Dedekind eta function Dedekind function Dedekind group Dedekind number Dedekind's problem Dedekind–Peano axioms Dedekind psi function Dedekind ring
List of things named after Richard Dedekind
List_of_things_named_after_Richard_Dedekind
Infinite series whose terms alternate in sign
{x}{2}}\right)}^{2m+\alpha }} where Γ(z) is the gamma function. If s is a complex number, the Dirichlet eta function is formed as an alternating series η ( s ) =
Alternating_series
Constants of the mathematical zeta function
1 ) ! {\displaystyle {\begin{aligned}\eta _{1}&=1/6\\\eta _{n}&=\sum _{\ell =1}^{n-1}(-1)^{\ell -1}{\frac {\eta _{n-\ell }}{(2\ell +1)!}}+(-1)^{n+1}{\frac
Particular values of the Riemann zeta function
Particular_values_of_the_Riemann_zeta_function
Theory of continuous phase transitions
0=A(T)\eta ^{2}-B_{0}\eta ^{4}+C_{0}\eta ^{6},} 0 = 2 A ( T ) η − 4 B 0 η 3 + 6 C 0 η 5 , {\displaystyle 0=2A(T)\eta -4B_{0}\eta ^{3}+6C_{0}\eta ^{5},}
Landau_theory
Mathematical conjecture about zeros of L-functions
L-functions than Dedekind zeta functions lie on critical lines. One example can be Ramanujan L-function related to modular form called Dedekind eta function
Generalized Riemann hypothesis
Generalized_Riemann_hypothesis
Variation of Cohen's class distribution function
\left(\eta ,\tau \right)={\frac {\sin \left(\pi \eta \tau \right)}{\pi \eta \tau }}\exp \left(-2\pi \alpha \tau ^{2}\right).} The kernel function in t
Cone-shape distribution function
Cone-shape_distribution_function
Optimization algorithm
sufficiently smooth test function. Then, there exists a constant C > 0 {\textstyle C>0} such that for all η > 0 {\textstyle \eta >0} max k = 0 , … , ⌊ T
Stochastic_gradient_descent
American mathematician
which he gave a first solution to Landau's problem on the Dirichlet eta function), An introduction to transform theory, and The convolution transform
David_Widder
Stochastic differential equation
distribution with correlation function ⟨ η i ( t ) η j ( t ′ ) ⟩ = 2 λ k B T δ i , j δ ( t − t ′ ) , {\displaystyle \langle \eta _{i}(t)\,\eta _{j}(t')\rangle =2\lambda
Langevin_equation
Part of signal analysis and signal processing
distribution function if a kernel function Φ ( η , τ ) ≠ 1 {\displaystyle \Phi (\eta ,\tau )\neq 1} is chosen. A properly chosen kernel function can significantly
Bilinear time–frequency distribution
Bilinear_time–frequency_distribution
ETA FUNCTION
ETA FUNCTION
Female
English
English name derived from the second letter of the Greek alphabet, beta, related to Hebrew bet, BETA means "house."Â
Female
English
 Variant spelling of English Ethna, ETNA means "kernel." Compare with another form of Etna.
Female
Spanish
 Short form of Spanish Aleta, LETA means "winged." Compare with another form of Leta.
Female
German
Short form of German Margarete, META means "pearl."
Female
English
Short form of longer Latin names that end with the diminutive suffix -etta, ETTA means "little."Â
Female
Hebrew
 Variant spelling of Hebrew Eila, ELA means "oak tree, terebinth tree." Compare with another form of Ela.
Female
Hungarian
 Hungarian form of Norman French Emma, EMA means "entire, whole." Compare with other forms of Ema.
Female
Welsh
 Welsh form of Greek Eva, EFA means "life." Compare with another form of Efa.
Female
English
English pet form of Persian Esther, ESTA means "star."
Female
Yiddish
(×ִיטָ×) Yiddish form of English Yetta, ITA means "little home-ruler." Compare with another form of Ita.
Female
Polish
Hawaiian and Polish form of Greek Eva, EWA means "life."
Male
Turkish
Turkish name ATA means "ancestor."
Female
Irish
 Variant spelling of Irish Ãde, ITA means "industrious." Compare with another form of Ita.
Female
Slovene
 Slovene form of English Emily, EMA means "rival." Compare with other forms of Ema.
Female
Polish
 Pet form of Polish Elżbieta, ELA means "God is my oath." Compare with another form of Ela.
Female
Italian
 Variant spelling of Italian Zita, ZETA means "little girl." Compare with another form of Zeta.
Female
Hebrew
(×Ö¶×ªÖ°× Ö¸×”) Hebrew name ETNA means "hire" or "for hire." Compare with another form of Etna.
Female
Native American
 Native American Blackfoot name PETA means "golden eagle." Compare with another form of Peta.
Surname or Lastname
English, etc.
English, etc. : variant spelling of Cook.
Female
Hawaiian
 Hawaiian form of Norman French Emma, EMA means "entire, whole." Compare with other forms of Ema.
ETA FUNCTION
ETA FUNCTION
Girl/Female
Muslim/Islamic
Beautiful
Girl/Female
American, Australian, British, Celtic, English, Greek, Irish
Handmaiden; Smooth Brow; Female Version of Melvin; Friend; Bad Village; Chieftain; Slender; Delicate; A Flower Name
Girl/Female
Norse
Swan or warrior.
Biblical
my furrow; that suspends the waters; heap of waters
Girl/Female
Arabic, Australian, Czechoslovakian, Finnish, French, German, Italian, Latin, Muslim, Polish, Spanish, Swedish
Citizen of Rome; Woman from Rome
Surname or Lastname
English
English : presumably a patronymic from a Middle English survival of Old English Ramm ‘ram’ or Hrafn ‘raven’ as a personal name.Name found among people of Indian origin in Guyana and Trinidad : probably from the personal name Ram and the English suffix -son.
Boy/Male
Hindu, Indian, Punjabi, Sanskrit, Sikh
Saint; Sage; Holy; Saintly Person
Girl/Female
Hindu
The suns daughter, A river
Girl/Female
Celtic
Divine one.
Girl/Female
German
Strength of a Spear
ETA FUNCTION
ETA FUNCTION
ETA FUNCTION
ETA FUNCTION
ETA FUNCTION
n.
A Greek letter corresponding to our z.
n.
Any infusion or decoction, especially when made of the dried leaves of plants; as, sage tea; chamomile tea; catnip tea.
n.
A fixed point of time, usually an epoch, from which a series of years is reckoned.
v. t.
To chew and swallow as food; to devour; -- said especially of food not liquid; as, to eat bread.
n.
One of the movable chitinous spines or hooks of an annelid. They usually arise in clusters from muscular capsules, and are used in locomotion and for defense. They are very diverse in form.
v. i.
To take or drink tea.
n.
A period of time in which a new order of things prevails; a signal stage of history; an epoch.
n.
A kind of small, portable, cooking apparatus for which heat is furnished by a spirit lamp.
v. i.
To taste or relish; as, it eats like tender beef.
n.
A decoction or infusion of tea leaves in boiling water; as, tea is a common beverage.
n.
The evening meal, at which tea is usually served; supper.
n.
One of the spinelike feathers at the base of the bill of certain birds.
n.
A period of time reckoned from some particular date or epoch; a succession of years dating from some important event; as, the era of Alexander; the era of Christ, or the Christian era (see under Christian).
n.
The prepared leaves of a shrub, or small tree (Thea, / Camellia, Chinensis). The shrub is a native of China, but has been introduced to some extent into some other countries.
n.
Any slender, more or less rigid, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss.
v. t.
To eat or prey upon, as a moth eats a garment.
v. i.
To make one's way slowly.