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oleaceous

[oh-lee-ey-shuh s]
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adjective
  1. belonging to the Oleaceae, the olive family of plants.
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Compare olive family.

Origin of oleaceous

1855–60; < New Latin Oleace(ae) (Ole(a) the olive genus (Latin olea, olīva olive, olive tree; see olive, oil) + -aceae -aceae) + -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for oleaceous

oleaceous

adjective
  1. of, relating to, or belonging to the Oleaceae, a family of trees and shrubs, including the ash, jasmine, privet, lilac, and olive
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Word Origin

C19: via New Latin from Latin olea olive; see also oil
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012