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Meaning of adventitious

ad•ven•ti•tious

Pronunciation: (ad"vun-tish'us), [key]
— adj.
  1. associated with something by chance rather than as an integral part; extrinsic.
  2. appearing in an abnormal or unusual position or place, as a root.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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