alkaloid

noun, adj — 2 senses

alkaloid

noun

US /ˈæl.kə.lɔɪd/

Etymology From alkali + -oid. Compare French alcaloïde.

1

Chemistry, Natural sciences, Organic chemistry, Physical sciences Any of many organic (often heterocyclic) bases that occur in nature and often have medicinal properties.

  • The Aspidosperma alkaloids are the largest group of indole alkaloids.1990, Song Liu, Syntheses of Aspidosperma Alkaloids, page 2:
  • Xanthosine, the initial substrate of purine alkaloid synthesis, is supplied by at least four different pathways […]2010, Bertil B. Fredholm, Methylxanthines:
Synonyms
alkaloid
Derived terms
alkaloidic, cadaveric alkaloid, glycoalkaloid, harmala alkaloid, indole alkaloid, morphine alkaloid, nicotine alkaloid, nonalkaloid, opium alkaloid, protoalkaloid, pseudoalkaloid, pyrrolizidine alkaloidosis, thioalkaloid
Related terms
alkaloidal, alkaloidiferous, atropine, codeine, Demerol, emetine, ergotamine, lysergic acid, meperidine, morphine, nicotine, papaverine, pethidine, piperidine, reserpine, scopine, strychnine, thebaine, yohimbine
Hypernyms
organic compound, chemical compound
Hyponyms
atropine, caffeine, capsaicin, codeine, coniine, emetine, ergotamine, lysergic acid, meperidine, morphine, nicotine, papaverine, pethidine, piperidine, quinine, reserpine, scopine, strychnine, thebaine, yohimbine

alkaloid

adj

Etymology From alkali + -oid. Compare French alcaloïde.

1

Relating to, resembling, or containing alkali.

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.