Oily or greasy. [L. oleagineus, pertaining to olea, the olive tree]
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ole·ag·i·nous .ō-lē-'aj-ə-nəs adj resembling or having the properties of oil also containing or producing oil
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ole·ag·i·nous (o″le-ajґĭ-nəs) [L. oleaginus] oily; greasy; unctuous.Medical dictionary. 2011.