# phthalate

> English word · Noun · IPA /ˈ(f)θa.leɪt/ · frequency rank #71,791

## Definitions
1. Any salt or ester of a phthalic acid.

## Etymology
From phthal(ic) + -ate (“salt or ester”), short for obsolete naphthalic acid, from naphthalene.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/phthalate