different between extraneous vs adventitious

English

Etymology

From Latin extr?neus (“from without, strange”). Doublet of strange. Cognate with estrange (verb), Spanish extraño.

Pronunciation

• (Received Pronunciation) IPA^(key): /?k?st?e?.ni.?s/
• (General Australian) IPA^(key): /ek?st?æ?.ni.?s/
• (US) IPA^(key): /?k?st?e?.ni.?s/, /?k?st?e?.ni.?s/
• Rhymes: -e?ni?s

Adjective

extraneous (not comparable)

1. Not belonging to, or dependent upon, a thing; without or beyond a thing; foreign

   to separate gold from extraneous matter

   Extraneous substances were found on my cup of water.

2. Not essential or intrinsic

Synonyms

• (not belonging to): additional, alien, foreign, intrusive; See also Thesaurus:foreign
• (not essential): superfluous, extra; See also Thesaurus:extrinsic

Antonyms

• intraneous

Derived terms

• extraneously
• extraneousness

Translations

English

Etymology

From Latin adventicius (“foreign”), from adveni? (“arrive”).

Pronunciation

• IPA^(key): /?æd.v?n?t??.?s/, /?æd.v?n?t??.?s/
• (Northern California)

Adjective

adventitious (comparative more adventitious, superlative most adventitious)

1. From an external source; not innate or inherent, foreign.
2. Accidental, additional, appearing casually.
   • 2002, Colin Jones, The Great Nation, Penguin 2003, p. 30:

     The adventitious disappearance of those nearer the throne than the duke had, moreover, set tongues awagging.

3. (genetics, medicine) Not congenital; acquired.
4. (biology) Developing in an unusual place or from an unusual source.
   • 1985, R. M. T. Dahlgren, H. T. Clifford, & P. F. Yeo, The Families of the Monocotyledons, page 101

     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;

Synonyms

• (from an external source): extrinsic
• (accidental, additional): accidental, spontaneous, sporadic; see also Thesaurus:accidental
• (not congenital): acquired

Derived terms

• adventitiously
• adventitiousness

Related terms

Translations