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toxin

nounattested in dialogue

  • United Kingdom//ˈtɒksɪn//
  • United States//ˈtɑksɪn//

A toxic substance, specifically a poison produced by the biological processes of organisms.

noun

  1. 1

    A toxic substance, specifically a poison produced by the biological processes of organisms.

    The blue-ringed octopus Hapalochlaena lunulata has tetrodotoxin, the deadly toxin it also releases in a bite, in their ink but the concentrations and effect in inking are not known.

  2. 2

    Synonym of toxicant: a toxic substance in a body requiring removal.

Etymology

Etymology tree Undeterminedder.? Ancient Greek τόξον (tóxon) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ῐκός (-ĭkós) Ancient Greek τοξῐκός (toxĭkós) Ancient Greek τοξικόν (toxikón)der. Latin toxicum Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ineclip. English -in English toxin From Latin toxicum, equivalent to toxi- + -in.

Forms

plural
toxins
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).