what is phthalate
Definition of PHTHALATE. : any of various salts or esters of phthalic acid used especially as plasticizers and in solvents.ADVERTISEMENT. noun phthalÂ·ate \Ëthal-ËÄt\. : a salt or ester of phthalic acid.efinition of PHTHALATE. : any of various salts or esters of phthalic acid used especially as plasticizers and in solvents. ADVERTISEMENT. noun phthalÂ·ate \Ëthal-ËÄt\.