From bi- + phthalate. <span class="searchmatch">biphthalate</span> (plural <span class="searchmatch">biphthalates</span>) (organic chemistry) Any salt of phthalic acid in which only one of the acidic hydrogen atoms has...
<span class="searchmatch">biphthalates</span> plural of <span class="searchmatch">biphthalate</span>...