diacid

[ dahy-as-id ]

adjective

, Chemistry.

1. capable of combining with two molecules of a monobasic acid.
2. (of an acid or a salt) having two replaceable hydrogen atoms.

diacid

/ daɪˈæsɪd /

adjective

1. another word for diacidic
2. (of a salt or acid) containing two acidic hydrogen atoms

   NaH2PO4is a diacid salt of phosphoric acid

noun

1. an acid or salt that contains two acidic hydrogen atoms

Word History and Origins

Origin of diacid¹

First recorded in 1865–70; di- ¹ + acid