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De - Pt| English Dictionary: Alkaloid | by the DICT Development Group |
| 3 results for Alkaloid | |
| From WordNet (r) 3.0 (2006) [wn]: | |
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| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Alkaloid \Al"ka*loid\ ([acr]l"k[adot]*loid), n. (Chem.) An organic base, especially one of a class of substances occurring ready formed in the tissues of plants and the bodies of animals. Note: Alkaloids all contain nitrogen, carbon, and hydrogen, and many of them also contain oxygen. They include many of the active principles in plants; thus, morphine and narcotine are alkaloids found in opium. | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Alkaloid \Al"ka*loid\ ([acr]l"k[adot]*loid), Alkaloidal \Al`ka*loid"al\ ([acr]l`k[adot]*loid"[ait]l), a. [Alkali + -oid: cf. F. alcalo[8b]de.] Pertaining to, resembling, or containing, alkali. | |
