oleaginous
adjective/ˌəʊliˈædʒɪnəs/
/ˌəʊliˈædʒɪnəs/
(formal)- covered in or containing a lot of oil or grease Word Originlate Middle English: from French oléagineux, from Latin oleaginus ‘of the olive tree’, from oleum ‘oil’.
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oleaginous