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A fixed star of the second magnitude, in the constellation Gemini. Cf. 3d Castor.

ex of the petiole; -- said of such leaves as those of the grapevine, most maples, and the castor-oil plant.

rin salt of ricinelaidic acid, obtained as a white crystalline waxy substance by treating castor oil with nitrous acid.

Pertaining to, or derived from, castor oil; formerly, designating an acid now called ricinoleic acid.

A bitter white crystalline alkaloid extracted from the seeds of the castor-oil plant.

Pertaining to, or designating, a fatty acid analogous to oleic acid, obtained from castor oil as an oily substance, Cricinolic.

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

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.

. A single flame is called a Helena, or a Corposant; a double, or twin, flame is called a Castor and Pollux, or a double Corposant. It takes its name from St. Elmo, the patron saint of sailors. -- Saint George's cross (Her.), a Greek cross gules upon a field argent, the field being represented by a narrow fimbriation…

, and pyroleic, acid), obtained by the distillation or saponification of certain oils (as castor oil) as a white crystalline substance.

s with acrylic acid, and obtained as a white crystalline substance by the distillation of castor oil.