OLEINS

a glyceryl ester of oleic acid; specifically glyceryl trioleate, c₃ h₅ (c₁₈ h₃₃ o₂)₃, a colourless oily liquid which is a very common natural fat (also called triolein). also (more widely): any liquid fat (consisting chiefly of such esters) separated from a solid or semi-solid fat; (formerly, also) †a glyceride of a fatty acid other than oleic acid (obsolete).