| 释义 |
castor
castora bean and the oil derived from it: Castor beans are very toxic and should not be eaten.
Not to be confused with:caster – a small wheel on a swivel: The grand piano was on casters.Cas·tor C0147500 (kăs′tər)n.1. Greek Mythology One of the Dioscuri.2. A binary star in the constellation Gemini, approximately 46 light years from Earth and of roughly equal brightness with Pollux.
[Latin, from Greek Kastōr, twin of Pollux.]
cas·tor 1 C0147500 (kăs′tər) n. 1. An oily, brown, odorous substance obtained from glands in the groin of the beaver and used as a perfume fixative. Also called castoreum. 2. A hat made of beaver fur or an imitation. 3. A heavy wool fabric used especially for overcoats.
[Middle English, from Latin, beaver, from Greek kastōr.]
cas·tor 2 C0147500 (kăs′tər)n. Variant of caster..castor (ˈkɑːstə) n1. (Biochemistry) the brownish aromatic secretion of the anal glands of a beaver, used in perfumery and medicine2. (Medicine) the brownish aromatic secretion of the anal glands of a beaver, used in perfumery and medicine3. (Textiles) the fur of the beaver4. (Clothing & Fashion) a hat made of beaver or similar fur5. (Animals) a less common name for beaver11[C14: from Latin, from Greek kastōr beaver]
castor (ˈkɑːstə) n a variant spelling of caster2, caster3
Castor (ˈkɑːstə) n1. (Astronomy) the second brightest star, Alpha Geminorum, in the constellation Gemini: a multiple star consisting of six components lying close to the star Pollux. Distance: 52 light years2. (Classical Myth & Legend) classical myth See Castor and Polluxcas•tor1 (ˈkæs tər, ˈkɑ stər)
n. 1. Also, castoreum. a pungent, brownish, oily substance secreted by glands in the groin of the beaver, used in medicine and perfumery. 2. a hat made of beaver or rabbit fur. 3. a beaver. [1350–1400; Middle English < Latin < Greek kástōr beaver] cas•tor2 (ˈkæs tər, ˈkɑ stər)
n. caster (defs. 2–5). Cas•tor (ˈkæs tər, ˈkɑ stər)
n. a star of the second magnitude in the constellation Gemini. Cas·tor (kăs′tər) A bright multiple star in the constellation Gemini.Thesaurus| Noun | 1. | Castor - a multiple star with 6 components; second brightest in Gemini; close to PolluxAlpha GeminorumGemini - a zodiacal constellation in the northern hemisphere between Taurus and Cancer on the ecliptic | | 2. | castor - a shaker with a perforated top for sprinkling powdered sugarcastershaker - a container in which something can be shaken | | 3. | castor - a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movablecasterroller - a small wheel without spokes (as on a roller skate) | | 4. | castor - a hat made with the fur of a beaver (or similar material)beaverfur hat - a hat made of fur | | 5. | Castor - type genus of the Castoridae: beaversgenus Castormammal genus - a genus of mammalsCastoridae, family Castoridae - beaversbeaver - large semiaquatic rodent with webbed hind feet and a broad flat tail; construct complex dams and underwater lodges |
Translationscastor, caster (ˈkaːstə) noun a small wheel on the legs of furniture to make it easier to move. (家具的)腳輪 （家具的）小脚轮 IdiomsSeecastor oil artistcastor
castor: see beaverbeaver,
either of two large aquatic rodents, Castor fiber and Castor canadensis, known for their engineering feats. They were once widespread in N and central Eurasia except E Siberia, and in North America from the arctic tree line to the S United States.
..... Click the link for more information. .
Castor (kăs`tər), bright star in the constellation GeminiGemini
[Lat.,=the twins], northern constellation lying on the ecliptic (the sun's apparent path through the heavens) between Taurus and Cancer, N of Canis Minor; it is one of the constellations of the zodiac. Gemini is traditionally depicted as two men.
..... Click the link for more information. ; Bayer designation α Geminorum; 1992 position R.A. 7h34.1m, Dec. +31°54'. Slightly dimmer than PolluxPollux,
brightest star in the constellation Gemini; Bayer designation Beta Geminorum; 1992 position R.A. 7h44.8m, Dec. +28°03'. An orange giant of spectral class K0 III, it is the nearest giant star, lying at a distance of 35 light-years.
..... Click the link for more information. , with which it forms the Twins, Castor has an apparent magnitudemagnitude,
in astronomy, measure of the brightness of a star or other celestial object. The stars cataloged by Ptolemy (2d cent. A.D.), all visible with the unaided eye, were ranked on a brightness scale such that the brightest stars were of 1st magnitude and the dimmest stars
..... Click the link for more information. of 1.58, which still makes it one of the 25 brightest stars in the sky. Castor is actually a six-star system, being a visual triple each component of which is a binary starbinary star
or binary system,
pair of stars that are held together by their mutual gravitational attraction and revolve about their common center of mass. In 1650 Riccioli made the first binary system discovery, that of the middle star in the Big Dipper's handle, Zeta
..... Click the link for more information. ; the three components are an eclipsing binary and a pair of spectroscopic binaries. The two brightest components are white, main-sequence stars of spectral classesspectral class,
in astronomy, a classification of the stars by their spectrum and luminosity. In 1885, E. C. Pickering began the first extensive attempt to classify the stars spectroscopically.
..... Click the link for more information. A1 and A5. The system is about 50 light-years distant.Castor (kass -ter, kahss -) (α Gem) A white star that is the second-brightest in the constellation Gemini. It is a visual triple star, the two brighter components having an orbital period of about 470 years; the third component, a flare star, is located some distance away. All three are spectroscopic binaries. mv : 1.9 (A), 2.9 (B), 1.57 (AB); Mv : 0.5 (AB); spectral type: A1 V (A), A2 V (B); distance: 15 pc.Castor[′kas·tər] (astronomy) A multiple star of spectral classification A0 in the constellation Gemini; the star α Geminorum. castor1. the brownish aromatic secretion of the anal glands of a beaver, used in perfumery and medicine 2. the fur of the beaver 3. a less common name for beavercastor
castor (kăs′tər)n. An oily, brown, odorous substance obtained from glands in the groin of the beaver and used as a perfume fixative.CASTOR
| Acronym | Definition |
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| CASTOR➣Cern Advanced Storage | | CASTOR➣Cask for Storage and Transport of Radioactive Material | | CASTOR➣Canadian Automatic Small Telescopes for Orbital Research (Royal Military College of Canada) | | CASTOR➣Corps Airborne Standoff Radar | | CASTOR➣Consolidated Adaptive Systems Technology and Optimization Research (Management Sciences Department; University of Iowa; Iowa City, IA) |
Castor
Synonyms for Castornoun a multiple star with 6 componentsSynonymsRelated Wordsnoun a shaker with a perforated top for sprinkling powdered sugarSynonymsRelated Wordsnoun a pivoting roller attached to the bottom of furniture or trucks or portable machines to make them movableSynonymsRelated Wordsnoun a hat made with the fur of a beaver (or similar material)SynonymsRelated Wordsnoun type genus of the Castoridae: beaversSynonymsRelated Words- mammal genus
- Castoridae
- family Castoridae
- beaver
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