One of the mysteries of the English language finally explained.
An organic compound made by replacing the hydrogen of an acid by an alkyl or other organic group. Many naturally occurring fats and essential oils are esters of fatty acids.
- ‘Fatty esters help replace natural esters missing from older, dryer skin types.’
- ‘Glycerol esters are utilized in cakes, breads and other bakery products as lubricants and softening agents.’
- ‘Fatty acid methyl esters were analyzed by gas chromatography as described above.’
- ‘The ester ethyl acetate can be produced using either an organic or inorganic acid.’
- ‘Inside is a solution of an oxalate ester and a fluorescent dye, as well as a smaller glass tube that contains hydrogen peroxide.’
Mid 19th century: from German, probably from a blend of Essig ‘vinegar’ and Äther ‘ether’.
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