methylated spirits

or methylated spirit

noun (usually used with a singular verb)
  1. ethyl alcohol denatured with methyl alcohol for the purpose of preventing its use as an alcoholic beverage.

Origin of methylated spirits

First recorded in 1860–65
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for methylated spirits

methylated spirits

methylated spirit

noun
  1. (functioning as singular or plural) alcohol that has been denatured by the addition of methanol and pyridine and a violet dyeAlso called: metho, meths
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012