''alkaloid'' ▫ᴱᴺ Entries

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''alkaloid'' ▫ᴱᴺ｜Definition｜1st｜20250819015015-00-⌔

alkaloid - Wiktionary, the free dictionary

English

Noun

alkaloid (plural alkaloids)

• (organic chemistry) 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.¹
  • ✤ Xanthosine, the initial substrate of purine alkaloid synthesis, is supplied by at least four different pathways […]²

Adjective

alkaloid (comparative more alkaloid, superlative most alkaloid)

• Relating to, resembling, or containing alkali.

Etymology

From alkali +‎ -oid. Compare French alcaloïde.

Pronunciation

• (US) IPA: /ˈæl.kə.lɔɪd/
• Audio (Southern England): 🔊
• Audio (US): 🔊

Printed 2026-06-28.

(echo:: @ ⌗)

Footnotes

1. 1990, Song Liu, Syntheses of Aspidosperma Alkaloids, page 2: ↩

2. 2010, Bertil B. Fredholm, Methylxanthines: ↩

Link to original

Secondary

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