adventitious

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adventitious

  • /ˌæd.vənˈtɪʃ.əs/
  • /ˌæd.vɛnˈtɪʃ.əs/

Where it comes from

From Medieval Latin adventītius (“coming from abroad, extraneous”), a corruption of Latin adventīcius (“foreign, strange, accidental”), from adventus (“arrival, coming, approach, advent”) + -īcius (suffix forming adjectives), from adveniō (“to arrive”) + -tus (suffix forming action nouns).

adjective more adventitious · most adventitious · adventicious

  1. From an external source; not innate or inherent, foreign.

    Similar: extrinsic, exogenous

  2. Accidental, additional, appearing casually. In a triad of verbs that admits nothing adventitious, Judah sees, takes, and lies with a woman; […]

    Similar: accidental, spontaneous, sporadic, incidental, coincidental, fortuitous, serendipitous, accidentary, adventitious, by accident, by the by, casual

  3. Not congenital; acquired.

    Similar: acquired

  4. Developing in an unusual place or from an unusual source. The Velloziaceae have evolved a woody stem which is covered with a layer of adventitious roots mingled with the fibres of the old leaf sheaths;

Translations

Every language

adj from an external source

Españoladventicio
Portuguêsadventício
Françaisacquis, adventice, exogène
Italianoesogeno
Русскийвне́шний vnéšnij, доба́вочный dobávočnyj

adj accidental, additional, appearing casually

Españoladventicio
Portuguêsadventício
Françaisadventice, aléatoire
Italianoaleatorio
Русскийслуча́йный slučájnyj, непреднаме́ренный neprednamérennyj, вспомога́тельный vspomogátelʹnyj, доба́вочный dobávočnyj, дополни́тельный dopolnítelʹnyj
العربيةعَرْضِيّ ʕarḍiyy

adj genetics, medicine: not congenital

Françaisacquis
Italianoacquisito

adj biology: developing in an unusual place or from an unusual source

Españoladventicio
Portuguêsadventício
Françaisectopique, auxiliaire, adventice
Italianoectopico, ausiliario, avventizio

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Cite this
MLA

"adventitious." Wiktionary, via Micwyn, micwyn.com/word/adventitious. Accessed 6 Nov. 2026.

APA

adventitious. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/adventitious

Chicago

"adventitious." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/adventitious.

BibTeX
@misc{adventitious_2026,
  title = {adventitious},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/adventitious},
  urldate = {2026-11-06}
}