(n) a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon, Syn. ricin toxin, Example:one milligram of ricin can kill an adult

ricinoleic acid

(n) an oily fatty acid found in castor oil and used in soap

ricinus

(n) a genus of herb having only one known species: castor-oil plant, Syn. genus Ricinus

streptothricin

(n) a basic antibiotic derived from a soil actinomycete

tyrothricin

(n) a mixture of antibiotics applied locally to infections caused by Gram-positive bacteria

american larch

(n) medium-sized larch of Canada and northern United States including Alaska having a broad conic crown and rust-brown scaly bark, Syn. Larix laricina, tamarack, black larch

apar

(n) South American armadillo with three bands of bony plates, Syn. three-banded armadillo, Tolypeutes tricinctus

castor-oil plant

(n) large shrub of tropical Africa and Asia having large palmate leaves and spiny capsules containing seeds that are the source of castor oil and ricin; widely naturalized throughout the tropics, Syn. castor bean plant, palma christi, Ricinus communis, palma christ

sheep-tick

(n) parasitic on sheep and cattle as well as humans; can transmit looping ill in sheep (acute viral disease of the nervous system); a vector for Lyme disease spirochete, Syn. Ixodes ricinus, sheep tick

The Collaborative International Dictionary of English (GCIDE) v.0.53 Collaborative International Dictionary (GCIDE)

amphotericin B

n. 1. an antibiotic and antifungal agent (C47H73NO17), produced by a strain of Streptomyces nodosus. It is one of a class of polyene macrolide antibiotics effective against fungal infections. It has a molecular weight of 924.11; it is soluble in oganic solvents but only slightly soluble in water.
Syn. -- Fungizone. [ WordNet 1.5 ]

Aricine

n. [ From Arica, in Chile. ] (Chem.) An alkaloid, first found in white cinchona bark. [ 1913 Webster ]

Ericinol

n. [ NL. ericaceae the Heath family + L. oleum oil. ] (Chem.) A colorless oil (quickly becoming brown), with a pleasant odor, obtained by the decomposition of ericolin. [ 1913 Webster ]

Hystricine

a. [ See Hystrix. ] (Zool.) Like or pertaining to the porcupines. [ 1913 Webster ]

Myricin

n. [ Cf. F. myricine. Prob. so called from a fancied resemblance to the wax of the bayberry (Myrica). ] (Chem.) A silky, crystalline, waxy substance, forming the less soluble part of beeswax, and regarded as a palmitate of a higher alcohol of the paraffin series; -- called also myricyl alcohol. [ 1913 Webster ]

Ricinelaidic

a. [ Ricinoleic + elaidic. ] Pertaining to, or designating, an isomeric modification of ricinoleic acid obtained as a white crystalline solid. [ 1913 Webster ]

Ricinelaidin

n. (Chem.) The glycerin salt of ricinelaidic acid, obtained as a white crystalline waxy substance by treating castor oil with nitrous acid. [ 1913 Webster ]

Ricinic

a. [ L. ricinus castor-oil plant. ] (Chem.) Pertaining to, or derived from, castor oil; formerly, designating an acid now called ricinoleic acid. [ 1913 Webster ]

Ricinine

n. [ L. ricinus castor-oil plant. ] (Chem.) A bitter white crystalline alkaloid (C8H8N2O2) extracted from the seeds of the castor-oil plant (Ricinus communalis). Called also ricidine. Ingestion may cause vomiting and various other toxic reactions, including liver and kidney damage, convulsions, hypotension, and death. [ 1913 Webster +PJC ]

Ricinoleate

n. (Chem.) A salt of ricinoleic acid; -- formerly called palmate. [ 1913 Webster ]

Ricinoleic

a. (Chem.) Pertaining to, or designating, a fatty acid analogous to oleic acid, obtained from castor oil as an oily substance, C18H34O3 with a harsh taste. Formerly written ricinolic and formerly referred to as palmic. [ 1913 Webster +PJC ]

ricinoleic acid

n. (Chem.) An organic acid (C18H34O3) obtained from the castor-oil plant (Ricinus communis, or Palma Christi) and other species of the family Euphorbiaceae; chemicaly it is d-12-hydroxyoleic acid (CH3(CH2)5.CH(OH).CH2.CH=CH.(CH2)7COOH). Formerly called palmic acid. [ 1913 Webster +PJC ]

Ricinolein

n. [ L. ricinus castor-oil plant + oleum oil. ] (Chem.) The glycerin salt of ricinoleic acid, occuring as a characteristic constituent of castor oil; -- formerly called palmin. [ 1913 Webster ]

Ricinolic

a. (Chem.) Ricinoleic. [ 1913 Webster ]

Ricinus

‖n. [ L., the castor-oil plant. ] (Bot.) A genus of plants of the Spurge family, containing but one species (Ricinus communis), the castor-oil plant. The fruit is three-celled, and contains three large seeds from which castor oil is expressed. See Palma Christi. [ 1913 Webster ]

Sericin

n. [ L. sericus silken. ] (Chem.) A gelatinous nitrogenous material extracted from crude silk and other similar fiber by boiling water; -- called also silk gelatin. [ 1913 Webster ]

Soricine

a. [ L. sorricinus, fr. sorex a shrew. ] (Zool.) Of or pertaining to the Shrew family (Soricidae); like a shrew in form or habits; as, the soricine bat (Glossophaga soricina). [ 1913 Webster ]

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