alkaloid Meaning, Definition & Usage

  1. noun natural bases containing nitrogen found in plants

WordNet


Al"ka*loid, Al`ka*loid"al adjective (Also<
  • Alkaloid
  • Alkaloidal
)
Etymology
Alkali + -oid: cf. F. alcaloïde.
Definitions
  1. Pertaining to, resembling, or containing, alkali.
Al"ka*loid noun
Definitions
  1. (Chem.) An organic base, especially one of a class of substances occurring ready formed in the tissues of plants and the bodies of animals. ✍ Alcaloids 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.

Webster 1913