| Methyl (n.) A hydrocarbon radical, CH3, not existing alone but regarded as an essential residue of methane, and appearing as a component part of many derivatives |
| methyldopa / alpha methyl dopa / Aldomet antihypertensive drug (trade name Aldomet) used in the treatment of high blood pressure |
| methanol / methyl alcohol / wood alcohol / wood spirit a light volatile flammable poisonous liquid alcohol, used as an antifreeze and solvent and fuel and as a denaturant for ethyl alcohol |
| methyl orange an azo dye used as an acid-base indicator, used for titrations involving weak bases |
| butanone / methyl ethyl ketone colorless soluble flammable liquid ketone used as a solvent for resins and as a paint remover and in lacquers and cements and adhesives and cleaning fluids and celluloid |
| cresol / methyl phenol any of three poisonous colorless isomeric phenols, derived from coal or wood tar, used as a disinfectant |
| methyl bromide a poisonous gas or liquid (CHBr) used to fumigate rodents, worms, etc. |
| methyl / methyl group / methyl radical the univalent radical CH- derived from methane |
| methyl salicylate / birch oil / sweet-birch oil a liquid ester with a strong odor of wintergreen, applied externally for minor muscle and joint pain |