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Castor :: Castor (n.) See Caster, a small wheel..

Castor Bean :: Castor bean () The bean or seed of the castor-oil plant (Ricinus communis, or Palma Christi.).

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..

Ricinolein :: Ricinolein (n.) The glycerin salt of ricinoleic acid, occuring as a characteristic constituent of castor oil; -- formerly called palmin..

Pollux :: Pollux (n.) A fixed star of the second magnitude, in the constellation Gemini. Cf. 3d Castor..

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..

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..

Castor :: Castor (n.) Castoreum. See Castoreum.

Oilseed :: Oilseed (n.) Seed from which oil is expressed, as the castor bean; also, the plant yielding such seed. See Castor bean..

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..

Beaver :: Beaver (n.) An amphibious rodent, of the genus Castor..

Ricinelaidin :: Ricinelaidin (n.) The glycerin salt of ricinelaidic acid, obtained as a white crystalline waxy substance by treating castor oil with nitrous acid..

Elaiodic :: Elaiodic (a.) Derived from castor oil; ricinoleic; as, elaiodic acid..

Ricinine :: Ricinine (n.) A bitter white crystalline alkaloid extracted from the seeds of the castor-oil plant.

Parkesine :: Parkesine (n.) A compound, originally made from gun cotton and castor oil, but later from different materials, and used as a substitute for vulcanized India rubber and for ivory; -- called also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..

Castor :: Castor (n.) A genus of rodents, including the beaver. See Beaver..

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..

Castorin :: Castorin (n.) A white crystalline substance obtained from castoreum.

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..

Sebacic :: Sebacic (a.) Of or pertaining to fat; derived from, or resembling, fat; specifically, designating an acid (formerly called also sebic, and pyroleic, acid), obtained by the distillation or saponification of certain oils (as castor oil) as a white crystalline substance..

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