diacid
1 of 2adjective
di·ac·id (ˌ)dī-ˈa-səd 
variants or diacidic
ˌdī-ə-ˈsi-dik
: able to react with two molecules of a monobasic acid or one of a dibasic acid to form a salt or ester —used especially of bases
diacid
2 of 2noun
: an acid with two acid hydrogen atoms
Word History
Etymology
Noun
International Scientific Vocabulary
First Known Use
Adjective
1866, in the meaning defined above
Noun
circa 1929, in the meaning defined above
Medical Definition
diacid 1 of 2
adjective
di·ac·id (ˈ)dī-ˈas-əd
variants or diacidic
ˌdī-ə-ˈsid-ik
1
: able to react with two molecules of a monobasic acid or one of a dibasic acid to form a salt or ester —used especially of bases
2
: containing two replaceable hydrogen atoms —used especially of acid salts
diacid
2 of 2noun
: an acid with two acid hydrogen atoms