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   adventitious

   /ˌadv(ə)nˈtɪʃəs/

   adjective

   • 1. happening as a result of an external factor or chance rather than design or inherent nature: "adventitious similarities" Similar unplannedunpremeditatedaccidentalunintentionalunintendedunexpectedunforeseeninvoluntarychancefortuitousserendipitouscoincidentalcasualrandomflukyunlooked-forunhoped-fornot bargained forout of the bluewithout warningrare:aleatoryOpposite planned
   • ▪ coming from outside; not native: "the adventitious population" Similar foreignaliennon-nativeoutsideexternalextraneousextrinsicOpposite nativeindigenous
   • ▪ formed accidentally or in an unusual anatomical position: "adventitious lobes may appear between the primaries"
   • ▪ (of a root, shoot, etc.) produced in an unusual part of a plant.

   Word Origin early 17th century: from Latin adventicius ‘coming to us from abroad’ (from advenire ‘arrive’) + -ous (see also -itious2).

   Derivatives

   • 1. adventitiously adverb

   Scrabble Points: 16

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