/
ˌadv(ə)nˈtɪʃəs/
adj.
- happening according to chance.
- coming from outside; not native.
- Biology formed accidentally or in an unusual position.
- Botany (of a root) growing directly from the stem or other upper part of a plant.
Derivative
Etymology
C17: from L. adventicius ‘coming to us from abroad’ + -ous (see also -itious2).