methylated spirit
noun/ˌmeθəleɪtɪd ˈspɪrɪt/
/ˌmeθəleɪtɪd ˈspɪrɪt/
(also methylated spirits)
(also informal meths especially in British English)
[uncountable]- a type of alcohol that is not fit for drinking, used as a fuel for lighting and heating and for cleaning off dirty marks
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methylated spirit