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Surface drawn by a moving line passing through a fixed point
In geometry, a conical surface is an unbounded surface in three-dimensional space formed from the union of infinite lines that pass through a fixed point
Conical_surface
Geometric shape
or partial lines is called the lateral surface; if the lateral surface is unbounded, it is a conical surface. The axis of a cone is the straight line
Cone
Special lens with a conical surface
An axicon is a specialized type of lens that has a conical surface. An axicon transforms a laser beam into a ring shaped distribution. They can be convex
Axicon
Plane curve: conic section
intersection of a right circular conical surface and a plane parallel to another plane that is tangential to the conical surface. The graph of a quadratic function
Parabola
minimal surface Saddle tower Scherk surface Schwarz minimal surface Triply periodic minimal surface Catalan surface Right conoid Conical surface Helicoid
List_of_surfaces
Surface containing a line through every point
lies on S. Examples include the plane, the lateral surface of a cylinder or cone, a conical surface with elliptical directrix, the right conoid, the helicoid
Ruled_surface
Quantum effect in some non-metals
takes the shape of an upper conical surface for the electrons and a lower conical surface for the holes. The two conical surfaces touch each other and form
Dirac_cone
Unbounded quadric surface
conic section as a slice of a quadratic form. Instead of a conical surface, one requires conical hypersurfaces in four-dimensional space with points p =
Hyperboloid
Obstacle of a ship or building
effective because they exploit the rats' inability to navigate the smooth, conical surface of the guard. Rat guards are primarily used in maritime and industrial
Rat_guard
Location of a discrete degeneracy between two electronic states
chemistry, a conical intersection of two or more potential energy surfaces is the set of molecular geometry points where the potential energy surfaces are degenerate
Conical_intersection
4-dimensional figure
} It is a quadric surface, and is one of the possible 3-manifolds which are 4-dimensional equivalents of the conical surface in 3 dimensions. It is
Hypercone
Mathematical idealization of the surface of a body
surfaces that have singularities, such as the vertex of a conical surface or points where a surface crosses itself. In classical geometry, a surface is
Surface_(mathematics)
Surface created by rotating a curve about an axis
surfaces of revolution generated by a straight line are cylindrical and conical surfaces depending on whether or not the line is parallel to the axis. A circle
Surface_of_revolution
Installing wheels on a vehicle so that the wheels' faces are not completely parallel
between the tire and road surface causes the wheel to tend to want to roll in a curve, as if it were part of a conical surface (camber thrust). This tendency
Toe_(automotive)
Automotive transmission technology
belt is wrapped around a pulley, the sides of the elements form a conical surface. In the stack of bands, each band corresponds to a slightly different
Continuously variable transmission
Continuously_variable_transmission
Brief description of components needed for jet engines
feature two conical surfaces: the first cone is supplemented by a second, less oblique, conical surface, which generates an extra conical shockwave, radiating
Components_of_jet_engines
Locus of the zeros of a polynomial of degree two
In mathematics, a quadric or quadric surface is a generalization of conic sections (ellipses, parabolas, and hyperbolas). In three-dimensional space,
Quadric
In algebraic geometry, a nodal surface is a surface in a (usually complex) projective space whose only singularities are nodes. A major problem about them
Nodal_surface
Type of clutch
however, instead of mating two spinning disks, the cone clutch uses two conical surfaces to transmit torque by friction. The cone clutch transfers a higher
Cone_clutch
Optical phenomenon
Conical refraction is an optical phenomenon in which a ray of light, passing through a biaxial crystal along certain directions, is refracted into a hollow
Conical_refraction
Plane spiral projected onto the surface of a cone
In mathematics, a conical spiral, also known as a conical helix, is a space curve on a right circular cone, whose floor projection is a plane spiral.
Conical_spiral
Rotating circular machine part with teeth that mesh with another toothed part
intersecting. In this case, the best shape for each pitch surface is neither cylindrical nor conical but a portion of a hyperboloid of revolution. Such gears
Gear
Extinct genus of marine lizard from the Late Cretaceous
meaning "conical tooth", derived from the Ancient Greek κῶνος (kônos, "cone") and ὀδών (odṓn, "tooth"), probably in reference to conical surface teeth smooth
Mosasaurus
Conical hole cut so a fastener can be inserted flush with the surface
tips). Regardless of the name given to the cutter, the surface being generated may be a conical chamfer (plunging applications) or a beveled corner for
Countersink
hyperbolae on a planar surface the cone of Dionysodorus: a concave, conical surface the quiver of Apollonius of Perga the conarachne the conical plinthium the
History_of_sundials
Supersonic aircraft component
In this case the rear part of the forward-facing conical surface, together with the internal surface profile of the duct, continues the supersonic diffusion
Inlet_cone
Aircraft whose only horizontal aerodynamic surface is its main wing
is called tip washout. Dunne achieved it by giving the wing upper surface a conical curvature. In level flight the aircraft should be trimmed so that
Tailless_aircraft
Geometric representation of material yield
{\displaystyle K} determines the inclination angle of conical surface. Figure 6 shows Mohr–Coulomb yield surface in two-dimensional stress space. In Figure 6 R
Yield_surface
Valve to control large flows of water in pipes
section of this valve body is conical and free to move axially. When it moves downstream, it seals against a conical surface at the outlet of the valve,
Larner–Johnson_valve
Ancient Greek geometer and astronomer (c. 240–190 BC)
circles, each in its own plane. A cone, one branch of the double conical surface, is the surface with the point (apex or vertex), the circle (base), and the
Apollonius_of_Perga
Surface able to be flattened without distortion
generally, conical surfaces; away from the apex The oloid and the sphericon are members of a special family of solids that develop their entire surface when
Developable_surface
String instrument part
flat and wide but may be slightly curved to form a cylindrical or conical surface of relatively large radius compared to the fingerboard width. The radius
Fingerboard
Property that is not changed by mathematical transformations
of the plane under a rotation about the circle's center. Further, a conical surface is invariant as a set under a homothety of space. An invariant set
Invariant_(mathematics)
Laboratory flask with a flat bottom
also known as a conical flask (British English) or a titration flask, is a type of laboratory flask with a flat bottom, a conical body, and a cylindrical
Erlenmeyer_flask
Measure in 3-dimensional geometry
Cylinders". Math Pages. 2015. Mazonka, Oleg (2012). "Solid Angle of Conical Surfaces, Polyhedral Cones, and Intersecting Spherical Caps". arXiv:1205.1396
Solid_angle
Machine tool which rotates the work piece on its axis
the motion of the cutting tool to generate accurate cylindrical or conical surfaces, unlike earlier lathes that involved freehand manipulation of the tool
Lathe
is a plane, and A is a conic section on S, the projective cone is a conical surface; hence the name. Let X be a projective space over some field K, and
Projective_cone
Developable roller constructed from a cone
family. Because the polysphericons' surfaces consist of conical surfaces and various kinds of frustum surfaces (conical and/or cylindrical), their rolling
Polycon
Right conoid ruled surface
In geometry, Wallis's conical edge is a ruled surface given by the parametric equations x = v cos u , y = v sin u , z = c a 2 − b 2 cos 2 u {\displaystyle
Wallis's_conical_edge
Used in laboratories to easily assemble apparatus from parts
the inside and open at the ends, except for stoppers. Crude versions of conically tapered ground glass joints have been made for quite a while, particularly
Ground_glass_joint
mechanisms are a special class of mechanisms that can be placed on developable surfaces. Some well-known examples of developable mechanisms include the door on
Developable_mechanism
or vacuum. A rotating impeller forces the material outward to a conical screen surface, where it is sized and passed through the openings in the screen
Conical_mill
Japanese-American electrical engineer (1928–2025)
Later he further demonstrated enhanced backscattering in random rough surfaces. Ishimaru also authored two textbooks on advanced electromagnetics: Wave
Akira_Ishimaru
Landform with a distinctly conical shape
A conical hill (also cone or conical mountain or peak) is a landform with a distinctly conical shape. It is usually isolated or rises above other surrounding
Conical_hill
below the lowest branch. Compare canopy. bostrychoid Arranged on a conical surface (like a snail shell); used to describe inflorescences in which the
Glossary_of_botanical_terms
curvature Elliptic point Types of surfaces Minimal surface Ruled surface Conical surface Developable surface Nadirashvili surface See also multivariable calculus
List of differential geometry topics
List_of_differential_geometry_topics
Clamp used to hold an object with radial symmetry, especially a cylinder
cylindrical inner surface and a conical outer surface. The collet can be squeezed against a matching taper such that its inner surface contracts to a slightly
Chuck_(engineering)
Precipitation that forms when supercooled droplets of water freeze on a falling snowflake
referred to as graupel. As graupel falls, it often deforms into a conical shape. This conical shape, in turn, determines which direction it falls and how far
Graupel
System for securing cutting tools or toolholders in a spindle
seating of the male into the female with firm contact over the whole conical surface. Machinists are trained on keeping tapers clean and handling them in
Machine_taper
Mathematical function
In mathematics, conical functions or Mehler functions are functions which can be expressed in terms of Legendre functions of the first and second kind
Conical_function
Portion of a solid that lies between two parallel planes cutting the solid
proof of this equation is given in the Moscow papyrus. The volume of a conical or pyramidal frustum is the volume of the solid before slicing its "apex"
Frustum
Structure giving the tongue its characteristic rough texture
most of the front two-thirds of the tongue's surface. They appear as very small, conical or cylindrical surface projections, and are arranged in rows which
Lingual_papillae
German early warning radar system of World War II
multi-phase electrostatic deflection in a cathode-ray tube "along a conical surface of revolution" "such as required in practice for instance for the feeding
Jagdschloss_radar
Internal combustion engine component
a conical-section surface into the valve seat that will mate with a corresponding conical section of the corresponding valve. Generally two conical-section
Valve_seat
Type of roller bearing which can support axial loads
raceways are segments of cones and the rollers are tapered so that the conical surfaces of the raceways, and the roller axes, if projected, would all meet
Tapered_roller_bearing
Three-dimensional orthogonal coordinate system
Conical coordinates, sometimes called sphero-conal or sphero-conical coordinates, are a three-dimensional orthogonal coordinate system consisting of concentric
Conical_coordinates
German supercavitating torpedo prototype
cavitation-forming conical tip located in the head section of the torpedo. Steering is performed by an autopilot that pivots this conical tip using actuators
Superkavitierender Unterwasserlaufkörper
Superkavitierender_Unterwasserlaufkörper
Mining industry in Devon, England
introduced onto a central cone and spread outwards over a slightly inclined conical surface. The "heads" would settle near the centre and the "tailings" at the
Dartmoor_tin_mining
Lie group of Lorentz transformations
one-parameter subgroup. If a group G acts on a space V, then a surface S ⊂ V is a surface of transitivity if S is invariant under G (i.e., ∀g ∈ G, ∀s ∈
Lorentz_group
NASA satellite of the Explorer program
satellite at about 40° to the spin axis (i.e., flush with the upper conical surface of the satellite). A second, identical probe was symmetrically mounted
Explorer_8
Mathematical structure in differential geometry
foliation is identified with the foliation by concentric hyperboloids and conical surface in R 3 {\displaystyle \mathbb {R} ^{3}} (the only singular leaf being
Poisson_manifold
Deformation of the eye's cornea into a conelike shape
silicone hydrogel lenses. A soft lens has a tendency to conform to the conical shape of the cornea, thus diminishing its effect. To counter this, hybrid
Keratoconus
Computer-aided design software
Dashboard 26.30 March 3, 2026 Wrap & Emboss tool for cylindrical and conical surfaces; Ortho View toggle in Section View; Section view settings preserved
Shapr3D
Species of shark
greatly enlarged mouth and highly developed gill rakers. Its snout is conical, and the gill slits extend around the top and bottom of its head. The gill
Basking_shark
Systematic representation of the surface of a sphere or ellipsoid onto a plane
two-dimensional surface of a globe on a plane. In a map projection, coordinates, often expressed as latitude and longitude, of locations from the surface of the
Map_projection
Psychedelic mushroom in the family Strophariaceae
the hairiness of the stem surface. Smith named the variety P. yungensis var. diconica for specimens he found with conical, rather than obconical (the
Psilocybe_yungensis
Chili pepper cultivated in Northeast India
shape Subconical to conical Fruit length 5.95–8.54 cm Fruit width at shoulder 2.5–2.95 cm Fruit weight 6.95–8.97 g Fruit surface Rough, uneven or smooth
Ghost_pepper
Species of fungus
agaricoid, the cap narrowly conical at first becoming umbonate and often lobed, up to 10 centimetres (4 in) across. The cap surface is smooth and finely fibrillose
Hygrocybe_conica
Indian-American mathematician
March 2013. Retrieved 15 March 2013. Cerda, E.; Mahadevan, L. (1998). "Conical Surfaces and Crescent Singularities in Crumpled Sheets". Physical Review Letters
L._Mahadevan
Vertical nested structure like tightly packed ice cream cones stacked inside one another
and loosely packed materials. He suggests that partially developed conical surfaces are also possible as a result of pressure developed from overlying
Cone-in-cone_structures
{\displaystyle f} both vanish is at the origin. The quotient obtained is a conical surface with an ordinary double point at the origin. Consider the torus action
GIT_quotient
Right conoid ruled surface
geometry, Plücker's conoid is a ruled surface named after the German mathematician Julius Plücker. It is also called a conical wedge or cylindroid; however, the
Plücker's_conoid
Village in County Mayo, Ireland
effect with the headstones and small crosses covering all sides of its conical surface. Another writer at the time described it as "here are the ruins of
Cill_Ghallagáin
Set of points equidistant from a center
A sphere (from Ancient Greek σφαῖρα (sphaîra) 'ball') is a surface analogous to the circle, a curve. In solid geometry, a sphere is the set of points
Sphere
Single-pulse radar system
direction from a single signal pulse. Monopulse radar avoids problems seen in conical scanning radar systems, which can be confused by rapid changes in signal
Monopulse_radar
French optical physicist (1788–1827)
refraction through the first surface, then total internal reflection off the second surface, then refraction through the third surface. The result was the lighthouse
Augustin-Jean_Fresnel
Cubic Nodal Surface
geometry, the Cayley surface, named after Arthur Cayley, is a cubic nodal surface in 3-dimensional projective space with four conical points. It can be given
Cayley's_nodal_cubic_surface
Flow behind a conical shock wave
Taylor–Maccoll flow refers to the steady flow behind a conical shock wave that is attached to a solid cone. The flow is named after G. I. Taylor and J
Taylor–Maccoll_flow
equator), regularly spaced along parallels. Conic In normal aspect, conic (or conical) projections map meridians as straight lines, and parallels as arcs of
List_of_map_projections
Type of centrifuge
A conical plate centrifuge (also known as a disc bowl centrifuge or disc stack separator) is a type of centrifuge that has a series of conical discs which
Conical_plate_centrifuge
the water's surface Shield volcano – Low-profile volcano usually formed almost entirely of fluid lava flows Stratovolcano – Type of conical volcano composed
Glossary_of_landforms
cover, which was attached to the launch escape system, protected the conical surface of the command module and remained intact through a canard-induced
Pad_Abort_Test_2
Hole which allows a fastener to be inserted flush with the surface
of a workpiece's surface. Whereas a counterbore is a flat-bottomed enlargement of a smaller coaxial hole, a countersink is a conical enlargement of such
Counterbore
Mountain range in New Zealand
named the Blue Mountain Formation. This marble has also been mapped at Conical Hill in the middle of the Horse Range, 15 km (9.3 mi) to the north west
Horse_Range_(New_Zealand)
Conic conformal map projection
and Celestial Maps). Conceptually, the projection conformally maps the surface of the Earth to a cone. The cone is unrolled, and the parallel that was
Lambert conformal conic projection
Lambert_conformal_conic_projection
Long, pointed tooth in mammals
viewpoint. The crown is large and conical, very convex on its labial surface, a little hollowed and uneven on its lingual surface, and tapering to a blunted
Canine_tooth
Region between a revolved surface and oblique plane
r 3 {\displaystyle {2 \over 3}r^{3}} . A conical ungula of height h, base radius r, and upper flat surface slope k (if the semicircular base is at the
Ungula
Greek inventor
smaller Rubik's cubes; his mechanism is based on concentric, right-angle conical surfaces whose axes of rotation coincide with the semi-axes of the cube. The
Panagiotis_Verdes
Area of all the sides of the object, excluding the area of its base and top
through it. For a right circular conical frustum with top radius r1, bottom radius r2, and slant height l, the lateral surface area is: Alateral = π(r1 + r2)
Lateral_surface
Medical condition
or coral. Formally, this is a clinical diagnosis for a "conical projection above the surface of the skin". They are usually small and localized but can
Cutaneous_horn
Indian spacecraft
protection system composed of 264 silica tiles of 14 different types over conical surface, and an ablative nose cap of carbon-phenolic composite. Scaled replica
Space Capsule Recovery Experiment
Space_Capsule_Recovery_Experiment
Korean instrument
the Persian sorna and is closely related to the Chinese suona. It has a conical wooden body made from yuja (citron), daechu (jujube), or yellow mulberry
Taepyeongso
Derelict Japanese Earth observation satellite
microwave reflection from ocean surfaces. With its 1 m (3 ft 3 in) dish, it scans the surface along conical surfaces at 18 RPM. It provides speed at an
ADEOS_II
They are used in the treatment of conical refractions. Bateman, H. (1910), "Kummer's quartic surface as a wave surface.", Proceedings of the London Mathematical
Wave_surface
Type of all-purpose bullet
be used for this reason. The semiwadcutter design consists of a roughly conical shape with the tip truncated flat (called a meplat), sitting on a cylinder
Semiwadcutter
Cylindrical conformal map projection
surfaces tangent to (touching) each other along a circle halfway between the poles of their common axis, and then conformally unfolding the surface of
Mercator_projection
Polyhedral compromise map projection
Hajime Narukawa in 1999. The map is made by equally dividing a spherical surface into 96 triangles, transferring it to a tetrahedron while maintaining area
AuthaGraph_projection
Mercator variant map projection
coordinates are defined using the WGS84 ellipsoidal model of the Earth's surface, but are projected as if defined on a sphere. This practice is uncontroversial
Web_Mercator_projection
Portable surface-to-air missile weapons
air-defense systems (MANPADS or MPADS) are portable shoulder-launched surface-to-air missiles. They are guided weapons and are a threat to low-flying
Man-portable air-defense system
Man-portable_air-defense_system
Largest of the Great Lakes of North America
fished and gathered berries. They used snowshoes, birch bark canoes and conical or domed lodges. At the mouth of the Michipicoten River, nine layers of
Lake_Superior
CONICAL SURFACE
CONICAL SURFACE
Girl/Female
Irish
Constant.
Girl/Female
Chinese, Greek, Indian, Jamaican, Latin
Mixture of Brightness and Love
Girl/Female
American, Australian
People
Boy/Male
Muslim/Islamic
Forgiving to conceal
Girl/Female
Hindu
Counsel, Advisor
Girl/Female
British, Greek, Gujarati, Hindu, Indian, Romanian, Telugu
Beautiful
Boy/Male
Indian
Intelligent, Logical
Boy/Male
Australian, Celtic, Irish
High; Mighty
Female
English
Latin name, possibly derived from the Latin word monere, MONICA means "advise, counsel."
Boy/Male
Hindu, Indian
Logical
Boy/Male
Gujarati, Hindu, Indian, Sanskrit
Logical Science
Boy/Male
Biblical
Strength of the Lord.
Girl/Female
Latin
Give.
Girl/Female
African, American, British, Christian, Danish, Dutch, English, French, German, Greek, Gujarati, Hindu, Indian, Italian, Kannada, Latin, Malayalam, Marathi, Netherlands, Portuguese, Romanian, Sindhi, Spanish, Swedish, Swiss, Tamil
Adviser; Solitary; Alone; Unique; A Wise Counsellor; Saint; Nun; Timekeeper; Noble; Aristocratic
Girl/Female
Australian, Indian, Italian, Latin
The Morning Star; Give; Form of Donna; Lady
Girl/Female
English American Greek Latin Spanish
Boy/Male
Tamil
Intelligent, Logical
Girl/Female
Indian
Successful; Logical Thinkers
Biblical
strength of the Lord
Girl/Female
Christian & English(British/American/Australian)
Counsellor
CONICAL SURFACE
CONICAL SURFACE
Girl/Female
Australian, Dutch, Hebrew, Netherlands, Scottish, Swedish
Pledge from God; Devoted to God; My God is a Vow
Girl/Female
Hindu
Female
Egyptian
, the sun.
Girl/Female
Muslim
Olive, Fiery, Sower of seeds
Girl/Female
Indian
Beautiful, Pretty
Girl/Female
French, German, Latin
Unhappy; Unlucky
Surname or Lastname
English
English : patronymic from a pet form of Matthew.
Boy/Male
Gaelic
Small blond soldier.
Boy/Male
Tamil
God of peace
Boy/Male
Arabic, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Muslim, Telugu
Water; Descendant; Son; Sword
CONICAL SURFACE
CONICAL SURFACE
CONICAL SURFACE
CONICAL SURFACE
CONICAL SURFACE
a.
Skilled in logic; versed in the art of thinking and reasoning; as, he is a logical thinker.
n.
A conic section.
a.
Of or pertaining to a cone; as, conic sections.
n.
Conic sections.
a.
Pertaining to the concha, or external ear; as, the conchal cartilage.
a.
Having the same foci; as, confocal quadrics.
a.
Alt. of Conical
a.
Pertaining to irony; containing, expressing, or characterized by, irony; as, an ironical remark.
n.
Of or pertaining to a place; limited; logical application; as, a topical remedy; a topical claim or privilege.
a.
Exciting mirth; droll; laughable; as, a comical story.
a.
Of or pertaining to logic; used in logic; as, logical subtilties.
a.
According to the rules of logic; as, a logical argument or inference; the reasoning is logical.
a.
Having the form of, or resembling, a geometrical cone; round and tapering to a point, or gradually lessening in circumference; as, a conic or conical figure; a conical vessel.
a.
Having a mixture of seriousness and sport; serious and comical.
a.
Given to sneering at rectitude and the conduct of life by moral principles; disbelieving in the reality of any human purposes which are not suggested or directed by self-interest or self-indulgence; as, a cynical man who scoffs at pretensions of integrity; characterized by such opinions; as, cynical views of human nature.
a.
Plane or flat on one side, and conical on the other.
a.
Conical, but having the apex downward; inversely conical.
a.
Nearly, but not exactly, conical.
a.
Of or pertaining to a sine; employing, or founded upon, sines; as, a sinical quadrant.
a.
A combining form, meaning somewhat resembling a cone; as, conico-cylindrical, resembling a cone and a cylinder; conico-hemispherical; conico-subulate.