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Meaning of ALKALOID

Pronunciation:  'alku`loyd

WordNet Dictionary
[n]  natural nitrogen-containing bases found in plants

ALKALOID is a 8 letter word that starts with A.


 See Also: atropine, brucine, caffein, caffeine, curare, ephedrine, ergonovine, ergotamine, Ergotrate Maleate, hyoscine, hyoscyamine, nicotine, organic compound, physostigmine, pilocarpine, pseudoephedrine, rauwolfia, scopolamine, strychnine, tubocurarine



Webster's 1913 Dictionary
  1. \Al"ka*loid\ ([a^]l"k[.a]*loid), Alkaloidal
  2. \Al"ka*loid\ ([a^]l"k[.a]*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.
Medical Dictionary
 Definition: A member of a large group of chemicals that are made by plants and have nitrogen in them. Some alkaloids have been shown to work against cancer.