adventitious
/ˌæd.vənˈtɪʃ.əs/ adjective
Forms adventicious
- adjective From an external source; not innate or inherent, foreign.
- adjective Accidental, additional, appearing casually.
- adjective (genetics, medicine) Not congenital; acquired.
- adjective (biology) Developing in an unusual place or from an unusual source.
Synonyms
extrinsic exogenous accidental spontaneous sporadic incidental coincidental fortuitous serendipitous accidentary by accident by the by casual causeless chanceable lippening occasional random unforeseen unintended
Etymology
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).
Webster’s 1913
- adjective Added extrinsically; not essentially inherent; accidental or causal; additional; supervenient; foreign.
- adjective Out of the proper or usual place; as, adventitious buds or roots.
Etymology [L. adventitius.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “adventitious”, CC BY-SA 4.0. Details