Definition of castor

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Castor (n.) the northernmost of the two bright stars in the constellation Gemini, the other being Pollux..

Lern More About Castor

Oenanthol :: Oenanthol (n.) An oily substance obtained by the distillation of castor oil, recognized as the aldehyde of oenanthylic acid, and hence called also oenanthaldehyde..
Parkesine :: Parkesine (n.) A compound, originally made from gun cotton and castor oil, but later from different materials, and used as a substitute for vulcanized India rubber and for ivory; -- called also xylotile..
Macassar Oil :: Macassar oil () A kind of oil formerly used in dressing the hair; -- so called because originally obtained from Macassar, a district of the Island of Celebes. Also, an imitation of the same, of perfumed castor oil and olive oil..
Ricinoleic :: Ricinoleic (a.) Pertaining to, or designating, a fatty acid analogous to oleic acid, obtained from castor oil as an oily substance, C/H/O/ with a harsh taste. Formerly written ricinolic..
Gemini :: Gemini (n. pl.) A constellation of the zodiac, containing the two bright stars Castor and Pollux; also, the third sign of the zodiac, which the sun enters about May 20th..
Ricinic :: Ricinic (a.) Pertaining to, or derived from, castor oil; formerly, designating an acid now called ricinoleic acid..
Ricinus :: Ricinus (n.) A genus of plants of the Spurge family, containing but one species (R. communis), the castor-oil plant. The fruit is three-celled, and contains three large seeds from which castor oil iss expressed. See Palma Christi..
Castor :: Castor (n.) A heavy quality of broadcloth for overcoats.
Castor :: Castor (n.) the northernmost of the two bright stars in the constellation Gemini, the other being Pollux..
Pollucite :: Pollucite (n.) A colorless transparent mineral, resembling quartz, occurring with castor or castorite on the island of Elba. It is a silicate of alumina and caesia. Called also pollux..
Castor And Pollux :: Castor and Pollux () See Saint Elmo's fire, under Saint..
Castor :: Castor (n.) Alt. of Castorit.
Castorin :: Castorin (n.) A white crystalline substance obtained from castoreum.
Castoreum :: Castoreum (n.) A peculiar bitter orange-brown substance, with strong, penetrating odor, found in two sacs between the anus and external genitals of the beaver; castor; -- used in medicine as an antispasmodic, and by perfumers..
Castor :: Castor (n.) A hat, esp. one made of beaver fur; a beaver..
Castor Oil :: Castor oil () A mild cathartic oil, expressed or extracted from the seeds of the Ricinus communis, or Palma Christi. When fresh the oil is inodorous and insipid..
Elaiodic :: Elaiodic (a.) Derived from castor oil; ricinoleic; as, elaiodic acid..
Castor :: Castor (n.) See Caster, a small wheel..
Palma Christi :: Palma Christi () A plant (Ricinus communis) with ornamental peltate and palmately cleft foliage, growing as a woody perennial in the tropics, and cultivated as an herbaceous annual in temperate regions; -- called also castor-oil plant..
Undecylenic :: Undecylenic (a.) Pertaining to, or designating, an acid C11H20O2, homologous with acrylic acid, and obtained as a white crystalline substance by the distillation of castor oil..
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