Definition of adventious in English:

adventious

adjective

  • Adventitious.

Origin

Mid 17th century; earliest use found in William Ames (1576–1633), theologian and university teacher. Originally a misprint for adventitious. In later use apparently irregularly from advention, on the analogy of contentious besides contention, although it is possible that some later instances may show misprints for adventitious.

Pronunciation:

adventious

/ədˈvɛnʃəs/