Plumbagin

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The toxin 5-hydroxy-2-methyl-1,4-naphthoquinone. uncountable

Etymology

From plumbago + -in.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.