oleate

American  

[oh-lee-eyt] / ˈoʊ liˌeɪt /

noun

1. Chemistry. an ester or a salt of oleic acid.

2. Pharmacology. a preparation, as an ointment, composed of medicated oleic acid.

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oleate British  

/ ˈəʊlɪˌeɪt /

noun

1. any salt or ester of oleic acid, containing the ion C 17 H 33 COO ^– or the group C 17 H 33 COO-: common components of natural fats

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Etymology

Origin of oleate

First recorded in 1825–35; ole(ic acid) + -ate ²

Example Sentences

In initial field trials, colonies that received synthetic pheromone blends containing methyl oleate were far less likely to begin rearing replacement queens than colonies given blends without it.

From Science Daily • Nov. 22, 2025

This reduces her ability to lay eggs and also lowers her production of methyl oleate, a pheromone that normally signals to workers that she is healthy.

From Science Daily • Nov. 22, 2025

"Supersedure can be disruptive and costly, but supplementing colonies with methyl oleate could help stabilize hives during periods when continuous productivity is most important."

From Science Daily • Nov. 22, 2025

When levels of methyl oleate fall, workers detect the change and begin preparing to replace her.

From Science Daily • Nov. 22, 2025

I commenced with sodium oleate, and found that by employing this substance in a moderately pure condition, perfectly reliable results could be obtained in very hard waters without the trouble of either diluting or heating.

From Scientific American Supplement, No. 441, June 14, 1884. by Various