essential oil es·sen·tia·loil uncommon noun 1. an oil having the odor or flavor of the plant from which it comes; used in perfume and flavorings Synonymsessential oilvolatile oil Related words Broader terms oil Narrower terms ilang-ilangbitter almond oilattarclove oilcostus oileucalyptus oilturpentinewormwood oil WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
