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Accumulation of matter around a planet
A circumplanetary disk (or circumplanetary disc, short CPD) is a torus, pancake or ring-shaped accumulation of matter composed of gas, dust, planetesimals
Circumplanetary_disk
Disked object that eclipsed V1400 Centauri
paper describing their discovery of J1407b. The disk of J1407b may be considered a circumplanetary disk or a large ring system. J1407b has not been detected
J1407b
Ring of cosmic dust orbiting an astronomical object
satellite systems around giant planets such as the rings of Saturn, or circumplanetary disks. But they can also be galactic rings and circumstellar discs, belts
Ring_system
T Tauri-type star in the constellation Centaurus
image of the circumplanetary disk around PDS 70 c separated from the protoplanetary disk was finally confirming the circumplanetary disk and was published
PDS_70
Formation processes of the planet Jupiter
accretion process of the planet was mediated by the formation of a circumplanetary disk. Once the volatile materials, which formed the planet’s atmosphere
Formation_of_Jupiter
Substellar companion to the star GQ Lupi
still in the early stages of its formation, accreting gas from its circumplanetary disk. GQ Lupi b is orbiting at nearly 100 astronomical units from the
GQ_Lupi_b
List of largest planets by size
law. The radius estimate might have been affected by the planet's circumplanetary disk, as the spectrum not necessarily corresponds to a planet photosphere
List_of_largest_exoplanets
Gas and dust surrounding a newly formed star
smaller, circumplanetary analogs of the protoplanetary disks. The formation of planets and moons in geometrically thin, gas- and dust-rich disks is the
Protoplanetary_disk
Star in the constellation Aquila
H-alpha, showing that it is actively accreting gas from a surrounding circumplanetary disk. The star is named after the astronomical survey Wide Separation
WISPIT_2
Disk of dust and debris in orbit around a star
has an average distance from the Sun of 1 AU. Accretion disk Asteroid belt Circumplanetary disk – Accumulation of matter around a planet Exoasteroid belt
Debris_disk
Innermost Galilean moon of Jupiter
History Star formation Accretion Accretion disk Excretion Capture theory Capture of Triton Circumplanetary disk Circumstellar disc Circumstellar envelope
Io_(moon)
Planetary system consisting of the Sun and objects orbiting it
boundary for this process has been dubbed the soot line. As the Solar System disk cooled, this line moved inward and now lies within Earth's orbit around the
Solar_System
Star in the constellation Musca
detected silicate emission from YSES 1b, indicating the presence of a circumplanetary disk. The emission was attributed to submicron olivine dust grains. These
YSES_1
Set of gravitationally bound objects in orbit
(moons), although such systems may also consist of bodies such as circumplanetary disks, ring systems, moonlets, minor-planet moons and artificial satellites
Satellite_system_(astronomy)
Star in the constellation Musca
planet formation observationally. The flux from HD 100546 b and its circumplanetary disk (CPD) are superimposed, leaving its properties such as the radius
HD_100546
Large, round non-stellar astronomical object
nebula to create a young protostar orbited by a protoplanetary disk. Planets grow in this disk by the gradual accumulation of material driven by gravity,
Planet
Astronomical theory about the Solar System
protoplanetary disk. During the accretion of gas via streams, a giant planet can be surrounded by a circumplanetary disk. This circumplanetary disk also carries
Nebular_hypothesis
Structure formed by diffuse material in orbital motion around a massive central body
Accretion Astrophysical jet Blandford–Znajek process Circumstellar disc Circumplanetary disk Dynamo theory Exoasteroid Gravitational singularity Quasi-star Reverberation
Accretion_disk
Binary star system in the Phoenix constellation
includes an outflow, maybe a disk wind coming from the circumplanetary disk. Assuming a disk wind is present, the disk has a mass-loss rate of 2 × 10−10
Delorme_1
Moon beyond the Solar System
aligned with the giant planet's equator because these formed in circumplanetary disks. Planets close to their stars on circular orbits will tend to despin
Exomoon
systems around giant planets, as with the Rings of Saturn. See also circumplanetary disk. Roche limit The distance from an astronomical object at which the
Glossary_of_astronomy
Accumulation of matter around a star
protostellar jets, and inclined orbits of circumplanetary objects (as seen in the eclipsing binary TY CrA). For disks orbiting a low secondary-to-primary mass
Circumstellar_disc
Planets visible to the naked eye
History Star formation Accretion Accretion disk Excretion Capture theory Capture of Triton Circumplanetary disk Circumstellar disc Circumstellar envelope
Classical_planet
Natural satellites of the planet Saturn
from the original circumplanetary disk around Saturn. The gas giants, Jupiter and Saturn, are expected to have had circumplanetary disks, while this is considered
Moons_of_Saturn
Sławomir; Bernacki, Krzysztof (9 July 2025). "ASASSN-24fw: Candidate circumplanetary disk occultation of a main-sequence star". arXiv:2507.05367 [astro-ph
List of stars that have unusual dimming periods
List_of_stars_that_have_unusual_dimming_periods
Pallathadka, Gautham Adamane; et al. (July 2025). "ASASSN-24fw: Candidate circumplanetary disk occultation of a main-sequence star". arXiv:2507.05367 [astro-ph
List of transiting circumsecondary disks
List_of_transiting_circumsecondary_disks
Herbig Ae star in the constellation Sagittarius
protoplanet with a mass of 6-7 MJ. It might be less massive if a circumplanetary disk surround the planet. The point-like Keck source was not detected
HD_163296
Natural satellites of the planet Jupiter
believed to have formed from a circumplanetary disk, a ring of gravitated gas and solid debris analogous to a protoplanetary disk. They may be the remnants
Moons_of_Jupiter
Chronology of the universe – History and future of the universe Circumplanetary disk – Accumulation of matter around a planet Cosmology – Study of the
Formation and evolution of the Solar System
Formation_and_evolution_of_the_Solar_System
Rogue planet or sub-brown dwarf
infrared excess, which indicated that the object is surrounded by a circumplanetary disk. The optical spectrum with Magellan/LDSS-3 showed strong H-alpha
Cha_1107−7626
Planetary-mass object orbiting the brown dwarf 2M1207
circumstellar disk or circumplanetary disk. Observations with MIRI detected infrared excess coming from a circumplanetary disk. The disk fits the model
2M1207b
Type of circumstellar disk
High Contrast: Medium-resolution spectroscopy reveals a carbon-rich circumplanetary disk around the young accreting exoplanet Delorme 1 AB b". arXiv:2510
Peter_Pan_disk
Exoplanets confirmed or discovered from direct imaging
ALMA Observations of HD 100546: Asymmetric Circumstellar Ring and Circumplanetary Disk Upper Limits". The Astrophysical Journal. 871 (1): 48. arXiv:1811
List of directly imaged exoplanets
List_of_directly_imaged_exoplanets
Accumulation of particles into a massive object by gravitationally attracting more matter
spectroscopy – Measurement of electromagnetic radiation for astronomy Circumplanetary disk – Accumulation of matter around a planet Exoasteroid – Asteroids
Accretion_(astrophysics)
Satellite that orbits a natural satellite
surface base, but the station may be considered later. Binary asteroid Circumplanetary disk – Accumulation of matter around a planet Minor-planet moon Moons
Subsatellite
out of a nebula to create a young protostar orbited by a protoplanetary disk. There are eight planets within the Solar System; planets outside of the
Lists_of_planets
Four largest moons of Jupiter
believed to have formed from a circumplanetary disk, a ring of accreting gas and solid debris analogous to a protoplanetary disk. They may be the remnants
Galilean_moons
Astronomical body that orbits a planet
in the literature on roundness are italicized in the table below. Circumplanetary disk – Accumulation of matter around a planet Co-orbital moon – Configuration
Natural_satellite
Star in the constellation Taurus
having a protoplanetary disk, is still accreting material, being surrounded by a circumsubstellar disk (possibly a circumplanetary disk, depending on its formation
DH_Tauri
Planet in the shape of a toroidal or doughnut shape
self-gravitating, spherically symmetric polytropic fluid Synestia Circumplanetary disk – Accumulation of matter around a planet Second Borel–Cantelli Lemma
Toroidal_planet
Planet outside of the Solar System
Follow-up observations found the supposed ring system could instead be a circumplanetary disk. There is strong evidence of a ring system around HIP 41378 f, given
Exoplanet
66-telescope radio observatory in Chile
ALMA at Planet-forming Scales (MAPS): A Circumplanetary Disk Candidate in Molecular-line Emission in the AS 209 Disk". The Astrophysical Journal Letters.
Atacama Large Millimeter Array
Atacama_Large_Millimeter_Array
Hypothesis of the formation of the Moon
surrounded by a disk of material which accreted to form the Moon. Moon – Oceanus Procellarum ("Ocean of Storms") Circumplanetary disk Geologic time scale
Giant-impact_hypothesis
Satellites of Jupiter
indicative of a past evolution by gas drag from Jupiter's primordial circumplanetary disk. The group orbits at closer distances, and have orbital eccentricities
Himalia_group
Theory of early changes in Jupiter's orbit
"Sustained Accretion on Gas Giants Surrounded by Low-Turbulence Circumplanetary Disks". American Astronomical Society, DPS Meeting #47. id.418.06: 418
Grand_tack_hypothesis
Planetary object disrupted by other body
eventually surround the parent star in the form of a circumstellar disk or debris disk. As a consequence, the orbiting debris field may be an "uneven ring
Disrupted_planet
Angle between a reference plane and the plane of an orbit
aligned with the giant planet's equator, because these formed in circumplanetary disks. Strictly speaking, this applies only to regular satellites. Captured
Orbital_inclination
Young sun-like star in the constellation Centaurus
Future Prospects for Detecting Eclipses by Circumsecondary and Circumplanetary Disks". The Astronomical Journal. 143 (3): 15. arXiv:1108.4070. Bibcode:2012AJ
V1400_Centauri
in 2007, may have a few moons based on gaps observed in its circumstellar disk or ring system. Later studies have since found that J1407b is most likely
List_of_exomoon_candidates
Extrasolar object orbiting Fomalhaut
planet. They considered two models to explain the SED: (1) a large circumplanetary disk around a massive, but unseen, planet and (2) the aftermath of a collision
Fomalhaut_b
Celestial body composed of many pieces of rock held together by gravity
torn apart into a ring before reaccreting and migrating outwards. Circumplanetary disk Comet nucleus List of slow rotators (minor planets) Data source,
Rubble_pile
Substellar object orbiting AB Aurigae
properties may not be reliable, as they might be affected by the planet's circumplanetary disk. The mass of AB Aurigae b is likely in the brown dwarf regime. Assuming
AB_Aurigae_b
Trojan moon of Saturn
not finished forming and gases have become depleted in Saturn's circumplanetary disk. Mean-motion orbital resonances by other nearby moons did not appear
Polydeuces_(moon)
Star in the constellation Chamaleon
Already during the discovery evidence of accretion from a gas-rich circumplanetary disk was suspected from emission by Paβ. Later it was found that the emission
CT_Chamaeleontis
Free-floating planet in the constellation Leo
planetary-mass objects with disks that bound to a star SR 12c Delorme 1 (AB)b 2M1207b PDS 70c, first circumplanetary disk Theissen, Christopher A.; Burgasser
2MASS_J11151597+1937266
(2021-07-01). "Limits on Millimeter Continuum Emission from Circumplanetary Material in the DSHARP Disks". The Astrophysical Journal. 916 (1): 51. arXiv:2105
List of resolved circumstellar disks
List_of_resolved_circumstellar_disks
of the celestial spheres Joshua Rapp Learn (May 11, 2021). "The Nebra Sky Disk: Is the world's oldest star map really a map at all?". Astronomy Today. Retrieved
Historical models of the Solar System
Historical_models_of_the_Solar_System
Earth-size exoplanet orbiting Kepler-1649
evolution Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted
Kepler-1649c
dwarf companions with SPHERE-IRDIS: First polarimetric detections revealing disks around DH Tau B and GSC 6214-210 B". Astronomy & Astrophysics. 647: A21
List_of_hottest_exoplanets
September 2015). "Planet Formation Signposts: Observability of Circumplanetary Disks Via Gas Kinematics". The Astrophysical Journal. 811 (1): L5. arXiv:1505
Methods of detecting exoplanets
Methods_of_detecting_exoplanets
Brown dwarf in the constellation Centaurus
of the young TWA 27 system: Hydrocarbon disk chemistry, silicate clouds, and evidence of a circumplanetary disk". Astronomy & Astrophysics. 704: A5. doi:10
2M1207
Overview of and topical guide to the Solar System
History Star formation Accretion Accretion disk Excretion Capture theory Capture of Triton Circumplanetary disk Circumstellar disc Circumstellar envelope
Outline_of_the_Solar_System
Exosolar object orbiting OGLE-2016-BLG-1190L
evolution Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted
OGLE-2016-BLG-1190Lb
Super-Earth ice exoplanet
evolution Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted
OGLE-2005-BLG-390Lb
American astronomer
History Star formation Accretion Accretion disk Excretion Capture theory Capture of Triton Circumplanetary disk Circumstellar disc Circumstellar envelope
Craig_Chester_(astronomer)
History Star formation Accretion Accretion disk Excretion Capture theory Capture of Triton Circumplanetary disk Circumstellar disc Circumstellar envelope
Timeline of Solar System astronomy
Timeline_of_Solar_System_astronomy
Extrasolar planet
evolution Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted
51_Eridani_b
Astronomers report, for the first time, detection of a moon-forming circumplanetary disk around a distant planet, particularly PDS 70c. Carnegie Mellon University
2019_in_science
Frigid super-Earth orbiting OGLE-2016-BLG-1195L
evolution Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted
OGLE-2016-BLG-1195Lb
evolution Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted
List of exoplanet search projects
List_of_exoplanet_search_projects
Star in the constellation Pegasus
a flux density detection threshold of 1.0 mJy. List of exoplanets Circumplanetary disc HD 163296 HD 100546 The star is a member of the Lambda Boötis
HR_8799
Star in the constellation Cetus
evolution Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted
LHS_1140
Circumbinary gas giant orbiting the Kepler-1647 star system
evolution Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted
Kepler-1647b
Young substellar object
that bound to a star: SR 12c Delorme 1 (AB)b 2M1207b PDS 70c, first circumplanetary disk Roman, Nancy G. (1987). "Identification of a constellation from a
KPNO-Tau_12
topics in modern planetary science, including both solar nebula and circumplanetary disk dynamics, the origin of the moon, planetesimal formation, planetary
Meanings of minor-planet names: 7001–8000
Meanings_of_minor-planet_names:_7001–8000
American astronomer
evolution Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted
Sarah_Ballard
Menard, Francois; Pinilla, Paola; Zurlo, Alice (1 July 2021). "A Circumplanetary Disk around PDS70c". The Astrophysical Journal Letters. 916 (1): L2. arXiv:2108
2021_in_science
Planetary mass companion orbiting GU Piscium
evolution Accretion Accretion disk Asteroid belt Circumplanetary disk Circumstellar disc Circumstellar envelope Cosmic dust Debris disk Detached object Disrupted
GU_Piscium_b
Pre-main-sequence star in the constellation Sagittarius
starlight scattered by dust around the protoplanet. This dust could be a circumplanetary disk or a dusty envelope around the protoplanet. A study from June 2023
HD_169142
Overview of the events of 2021 in science
Serpentis b LHS 1678 b c NGTS-13b NGTS-14Ab OGLE-2019-BLG-0960Lb PDS 70c circumplanetary disk TIC 172900988 b TOI-178 b c d e f g TOI-755 b c Vega b (unconfirmed)
April–June_2021_in_science
Dust around a star
dust in the Solar System causes the zodiacal light. Accretion disc Circumplanetary disk Circumstellar envelope Tabby's Star − oddly dimming star List of
Circumstellar_dust
Small particles between exoplanets
components of debris disks that are detected around main-sequence stars through their excess infrared emission. Particularly hot exozodiacal disks are also commonly
Exozodiacal_dust
Star with a ring protoplanetary disk and two possible planets
Bibcode:2023A&A...672A.125F. doi:10.1051/0004-6361/202244486. "ALMA Spots Circumplanetary Disk around Young Star AS 209 | Sci.News". Sci.News: Breaking Science
AS_209
Asteroid
Serpentis b LHS 1678 b c NGTS-13b NGTS-14Ab OGLE-2019-BLG-0960Lb PDS 70c circumplanetary disk TIC 172900988 b TOI-178 b c d e f g TOI-755 b c Vega b (unconfirmed)
(231937)_2001_FO32
Near-Earth asteroid
Serpentis b LHS 1678 b c NGTS-13b NGTS-14Ab OGLE-2019-BLG-0960Lb PDS 70c circumplanetary disk TIC 172900988 b TOI-178 b c d e f g TOI-755 b c Vega b (unconfirmed)
2021_SG
Exoplanet orbiting the young HD 95086
presence of the circumplanetary disk. Coronagraphic imaging with MIRI observations disfavour the presence of a circumplanetary disk. Rameau, J (2013)
HD_95086_b
Asteroid
Serpentis b LHS 1678 b c NGTS-13b NGTS-14Ab OGLE-2019-BLG-0960Lb PDS 70c circumplanetary disk TIC 172900988 b TOI-178 b c d e f g TOI-755 b c Vega b (unconfirmed)
2021_DW1
Serpentis b LHS 1678 b c NGTS-13b NGTS-14Ab OGLE-2019-BLG-0960Lb PDS 70c circumplanetary disk TIC 172900988 b TOI-178 b c d e f g TOI-755 b c Vega b (unconfirmed)
January–March_2021_in_science
Asteroid
Serpentis b LHS 1678 b c NGTS-13b NGTS-14Ab OGLE-2019-BLG-0960Lb PDS 70c circumplanetary disk TIC 172900988 b TOI-178 b c d e f g TOI-755 b c Vega b (unconfirmed)
(679648)_2019_XS
Star with unusual dimming event
One model attributes the occultation to optically thick rings or a circumplanetary disk surrounding either a red dwarf or a substellar companion (brown dwarf
ASASSN-24fw
Argentine astronomer (born 1962)
Future Prospects for Detecting Eclipses by Circumsecondary and Circumplanetary Disks". The Astronomical Journal. 143 (3): 72. arXiv:1108.4070. Bibcode:2012AJ
Dante_Minniti
Star in the constellation Auriga
(2025-01-20). "Predictions of Dust Continuum Emission from a Potential Circumplanetary Disk: A Case Study of the Planet Candidate AB Aurigae b". The Astrophysical
AB_Aurigae
Pre-main-sequence star in the constellation Musca
appears to be orbiting the star, indicating that it may correspond to a circumplanetary envelope. To account for the 30SiS detection, roughly 1022 to 1023 g
MP_Muscae
Subfield of astronomy
triggering in molecular clouds via supersonic outflows. Gas torus – Circumplanetary gas rings in planet formation models. Eddington number – Ratio gauging
Outline_of_astrophysics
Gas giant exoplanet
(equivalent width −11.4 ± 0.3 Å), indicating the presence of a circumplanetary accretion disk. Subsequent studies have documented variability in the H I Paschen
GSC_06214-00210_b
Bibcode:2007DPS....39.0706S. Burns, J.A.; et al. (2001). "Dusty Rings and Circumplanetary Dust: Observations and Simple Physics" (PDF). In Grun, E.; Gustafson
Rings_of_Saturn
Largest natural satellite of Pluto
start model, Charon accreted rapidly (within ~104 years) from the circumplanetary disc, resulting from a highly-disruptive giant impact scenario. This
Charon_(moon)
Dust floating in space
interstellar dust, interplanetary dust (as in the zodiacal cloud), and circumplanetary dust (as in a planetary ring). Information on the nature of dust in
Cosmic_dust
Small particles between planets
of interplanetary dust; circumplanetary dust, observations and simple physics; interstellar dust and circumstellar dust disks. 2019 Rafael Rodrigo, Jürgen
Interplanetary_dust_cloud
Young Super-Neptune orbiting K2-33
Thao, Pa Chia; Mann, Andrew W.; Fortney, Jonathan J. (2022-11-25). "A Circumplanetary Dust Ring May Explain the Extreme Spectral Slope of the 10 Myr Young
K2-33b
CIRCUMPLANETARY DISK
CIRCUMPLANETARY DISK
Boy/Male
Hindu, Indian, Modern, Sanskrit
Dancer
Male
Egyptian
, glory of the Solar Disk.
Boy/Male
Australian, Egyptian
Sun Disk
Male
Egyptian
, the spirit of Aten, or the Sun-disk.
Girl/Female
Indian
Image, Reflection, Also referred to as the disk of brightness surrounding the Sun, Moon
Male
Egyptian
, the most lovely Disk.
Male
Egyptian
, Horus, the winged disk of the sun.
Male
Egyptian
, disk.
Girl/Female
Tamil
Image, Reflection, Also referred to as the disk of brightness surrounding the Sun, Moon
Male
Egyptian
, the spirit of Aton, or the Sun-disk.
CIRCUMPLANETARY DISK
CIRCUMPLANETARY DISK
Boy/Male
Tamil
Rain clouds
Girl/Female
Biblical
A fox's building.
Boy/Male
Hindu
Peak
Boy/Male
Greek
Thaddeus was one of the 12 apostles described in the New Testament of the Bible.
Girl/Female
Indian, Sanskrit
Indestructible
Girl/Female
Arabic, Assamese, Indian, Kannada, Muslim, Pashtun
Auspicious; Blessed; Safe; Trustworthy
Surname or Lastname
English
English : of uncertain derivation. Reaney suggests it could be from bynames associated with Old Norse dottr ‘lazy’, or Old English dott ‘head of a boil’.South German : from a term meaning ‘godfather’.North German : from a short form of the personal name Dietrich or a related name.
Girl/Female
Australian, German
Will-helmet
Boy/Male
Tamil
Antrix | அஂதà¯à®°à¯€à®•à¯à®·
Space
Girl/Female
Muslim/Islamic
This was the name of the daughter of Jafar Mansoor and the wife of Khalifah Haroon Rasheed
CIRCUMPLANETARY DISK
CIRCUMPLANETARY DISK
CIRCUMPLANETARY DISK
CIRCUMPLANETARY DISK
CIRCUMPLANETARY DISK
n.
One of the disks forming the ends of a lantern wheel or pinion.
n.
A round mass, plate, or disk; especially (Metal.), the crust or scale which forms upon the surface of molten metal in the crucible.
v. i.
To move staggeringly or unsteadily from one side to the other; to vacillate; to move the manner of a rotating disk when the axis of rotation is inclined to that of the disk; -- said of a turning or whirling body; as, a top wabbles; a buzz saw wabbles.
n.
Any one of numerous species of trematode worms belonging to Tristoma and allied genera having a large posterior sucker and two small anterior ones. They usually have broad, thin, and disklike bodies, and are parasite on the gills and skin of fishes.
n.
A culinary utensil of metal with a plate or disk which is heated, and held over pastry, etc., to brown it.
n.
A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvae of echinoderms or in the tympanic membrane of the ear.
a.
Having no disk; appearing as a point and not expanded into a disk, as the image of a faint star in a telescope.
n.
The conical shadow projected from a planet or satellite, on the side opposite to the sun, within which a spectator could see no portion of the sun's disk; -- used in contradistinction from penumbra. See Penumbra.
n.
A flat, circular plate; as, a disk of metal or paper.
n.
An adhesive disk of dried paste, made of flour, gelatin, isinglass, or the like, and coloring matter, -- used in sealing letters and other documents.
a.
Fleshy; -- applied to the minute structural elements, called sarcous elements, or sarcous disks, of which striated muscular fiber is composed.
v. t.
To pass over the disk of (a heavenly body).
n.
A genus of a large naked mollusks having a very large, broad, fringed cephalic disk, and branched dorsal gills. Some of the species become a foot long and are brilliantly colored.
n.
A thick, circular disk of wood, to which the cartridge bag and projectile are attached, in fixed ammunition for cannon; also, a piece of soft metal attached to a projectile to take the groove of the rifling.
n.
Any one of numerous species of ciliated Infusoria belonging to Vorticella and many other genera of the family Vorticellidae. They have a more or less bell-shaped body with a circle of vibrating cilia around the oral disk. Most of the species have slender, contractile stems, either simple or branched.
n.
A circular structure either in plants or animals; as, a blood disk; germinal disk, etc.
v. i.
A small piece of wood, usually cylindrical or disk-shaped, used for various purposes.
n.
The passage of a smaller body across the disk of a larger, as of Venus across the sun's disk, or of a satellite or its shadow across the disk of its primary.
n.
The lower side of the body of some invertebrates, especially when used for locomotion, when it is often called a creeping disk.
n.
The umbrellalike disk, or swimming bell, of a jellyfish.