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ad·ven·ti·tious | \ ˌad-(ˌ)ven-ˈti-shəs 
, -vən- \
, -vən- \Definition of adventitious
1 : coming from another source and not inherent or innate
a Federal house without adventitious later additions adventitious influences
2 : arising or occurring sporadically or in other than the usual location
adventitious roots
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More Definitions for adventitious
adventitious
adjectivead·ven·ti·tious | \ -əs \
\Medical Definition of adventitious
1a : arising sporadically or in other than the usual location
an adventitious part in embryonic development
b : occurring spontaneously or accidentally in a country or region to which it is not native
an adventitious insect
2 : adventitial
3 : not congenital
adventitious deafness
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Time Traveler for adventitious
The first known use of adventitious was in 1603
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