Alkaloid

ahd-5
  • noun. Any of various organic compounds normally with basic chemical properties and usually containing at least one nitrogen atom in a heterocyclic ring, occurring chiefly in many vascular plants and some fungi. Many alkaloids, such as nicotine, quinine, cocaine, and morphine, are known for their poisonous or medicinal attributes.
    • The Century Dictionary and Cyclopedia
  • noun. A body resembling an alkali in properties; one of a class of nitrogenous compounds which occur in plants in combination with organic acids, and are sometimes called the organic bases of plants, as morphine, nicotine, quinine, etc.
  • Relating to or containing alkali.
    • the GNU version of the Collaborative International Dictionary of English
  • adjective. Pertaining to, resembling, or containing, alkali.
  • adjective. of or pertaining to alkaloids.
  • noun. An organic base, especially one of a class of nitrogen-containing substances occurring ready formed in the tissues of plants and the bodies of animals.
    • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. Any of many organic heterocyclic bases, that occur in nature and often have medicinal properties.
  • adjective. Relating to, resembling, or containing alkali.
    • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. natural bases containing nitrogen found in plants
    • Word Usage
    "Aconite root contains about 0.4 per cent. of alkaloid and one-fifteenth of a grain of the alkaloid is a lethal dose."
    Equivalent
    alkaloidal  
    Hypernym
    Words that are more generic or abstract
    organic compound  
    Hyponym
    Words that are more specific
    atropine  betaine  brucine  caffein  caffeine  
    Same Context
    Words that are found in similar contexts
    alkaloids  caffeine  hyoscyamine  mélange  saponins  
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