xenobiont

X8E1N1O1B3I1O1N1T1

noun

Any organism found in surroundings, or in association with another organism, in which it is normally absent.

OriginEnglish xeno- ← Ancient Greek ξένος (xénos) ← Proto-Hellenic *ksénwos →
Scrabble 18
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Meanings

nounxenobiont (plural xenobionts)

plural xenobionts

  1. biologyAny organism found in surroundings, or in association with another organism, in which it is normally absent.

Origin

  1. Proto-Hellenic*ksénwos
  2. Ancient Greekξένϝος (xénwos)
  3. Ancient Greekξένος (xénos)
  4. Englishxeno-
  5. Englishxenobiont

From xeno- + -biont.

Full word history & related roots →

Translations

Italian xenobio, xenobionte
  • xenobiobiology: organism found in surroundings, or in association with another organism, in which it is normally absent
  • xenobiontebiology: organism found in surroundings, or in association with another organism, in which it is normally absent
Cite this entry
APA

xenobiont. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/xenobiont

MLA

“xenobiont.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/xenobiont. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “xenobiont,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/xenobiont.

Source: xenobiont on Wiktionary, CC BY-SA 4.0.