Definition of "cresylic acid" []

• Any of several acids derived from petroleum and coal tar that boil above 204°C, contain varying amounts of xylene and cresol, and are used in disinfectants, solvents, and electrical insulation. (noun)
• A mixture of the three isomers of cresol. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.