phthalates From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounAny salt or ester of a phthalic acid. Related wordsSynonymsdiethyldimethyldibutyldiallylbutyloctylsubstancebisestersphthalidephthalicparabensplasticschemicalspolymersterephthalate References Wiktionary — phthalates Wikipedia — phthalates