diestern.
/dʌɪˈɛstə/, U.S. /daɪˈɛstər/ Chemistry.
An organic compound containing two ester groups or linkages.
ΚΠ
1898 Jrnl. Physical Chem. 2 72 On electrolyzing a mixture containing the potassium salt of a monobasic acid and the ethyl potassium salt of a dibasic acid, the anions unite forming a mixed diester of the dibasic acid.
1898 Science 30 Sept. 419/2 From it [sc. tricarballylic acid] we can obtain two different mono-esters, two di-esters, and one tri-ester.
1933 Public Health Rep. (U.S. Public Health Service) 48 737 Similar hydrolysis experiments carried out upon the phosphoric diester and monoester of orthocresol showed disproportionate orthocresol and phosphorus in the former only.
1977 J. March Adv. Org. Chem. (ed. 2) x. 367 A closely related reaction is equilibration of a dicarboxylic acid and its diester to produce monoesters.
2002 Proc. Royal Soc.: Biol. Sci. 269 2139/2 The change to diester wax secretion in incubating individuals indicates that diesters are important for birds on the nest.
This is a new entry (OED Third Edition, June 2018; most recently modified version published online March 2022).
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n.1898