mineral spirits

noun

, (usually used with a plural verb)

1. a volatile distillation product of petroleum, used as a thinner for paints and varnishes. Compare naphtha ( def 1 ).

Word History and Origins

Origin of mineral spirits¹

First recorded in 1885–90

Example Sentences

Many websites recommend WD-40, which is mostly mineral spirits plus a light oil.

From Washington Post

Mineral spirits, a more refined version of paint thinner, is a petroleum-based product.

From Washington Post

Plain mineral spirits would be a better option, he said.

From Washington Post

If you’re using mineral spirits, pour some onto a cloth pad, then wipe across the floor; don’t pour it in a puddle.

From Washington Post

Finally, remove the oily residue left behind from the mineral spirits or WD-40.

From Washington Post