mustard oil

American  

noun

1. oil expressed from the seed of mustard, used chiefly in making soap.

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mustard oil British  

noun

1. an oil that is obtained from mustard seeds and used in making soap

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Etymology

Origin of mustard oil

First recorded in 1840–50

Example Sentences

The authors found that the three variants were associated with a lower pain threshold in response to skin pricking after prior exposure to mustard oil, but not in response to heat or pressure.

From Science Daily • Oct. 10, 2023

Coconut and mustard oil are a stellar combination here, as the sweetness of the coconut tempers the bitterness of the mustard oil and seeds.

From Seattle Times • Apr. 30, 2023

In the north, where the pickles are more often preserved in mustard oil, you may come across a mixed pickle that first became popular in Pakistan in the 1930s called pachranga.

From Salon • Mar. 15, 2023

Scallions, micro-cilantro and mustard oil decorate the “garden” naan, a pleasing companion to the saucier items.

From Washington Post • Dec. 24, 2021

The supermarket did not carry mustard oil, doctors did not make house calls, neighbors never dropped by without an invitation, and of these things, every so often, my parents complained.

From "Interpreter of Maladies" by Jhumpa Lahiri