English word diester comes from English di-, English ester
| Dictionary entry | Language | Definition |
|---|---|---|
| di- | English (eng) | (uncommon) Alternative form of dis-. Two, twice, or double A form of dia- before a vowel. |
| ester | English (eng) | (organic compound) A compound most often formed by the condensation of an alcohol and an acid, with elimination of water, which contains the functional group carbon-oxygen double bond joined via carbon to another oxygen atom. |
| diester | English (eng) | (chemistry) any organic compound containing two ester functional groups. |