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English Words Starting With M

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

methylate
nounverbverb-transitiveC2 / Highly Technical
/ˈmɛθɪleɪt/to introduce a methyl group (-CH3) into a compound.
methylated spirits
nounLow to Medium
/ˌmɛθɪleɪtɪd ˈspɪrɪts/A form of ethanol that has been made unfit for drinking by adding methanol and a dye, used as a solvent, fuel, or cleaning agent.
methylation
nounC2
/ˌmɛθɪˈleɪʃ(ə)n/The addition of a methyl group (-CH₃) to a molecule.
methylbenzene
nounVery Low
/ˌmɛθɪlˈbɛnziːn/A colorless, flammable liquid hydrocarbon with the chemical formula C₆H₅CH₃, consisting of a benzene ring with one methyl group attached.
methylbenzyl acetate
nounVery Low
/ˌmɛθ(ə)lˈbɛnzɪl ˈæsɪteɪt/A synthetic aromatic ester compound with a sweet, floral, fruity, and slightly herbal odour, widely used in perfumery and as a flavouring agent.
methylcatechol
nounVery Low (C2+)
/ˌmɛθɪlˈkætɪkɒl/A specific chemical compound derived from catechol by replacing one hydrogen atom with a methyl group.
methylcyclohexanol
nounVery Low
/ˌmɛθaɪlˌsaɪkləʊˈhɛksənɒl/A chemical compound that is a cyclohexanol derivative with one or more methyl groups attached.
methyldopa
nounVery Low
/ˌmɛθɪlˈdəʊpə/An antihypertensive drug used to treat high blood pressure.
methylene
adjectivenounVery Low
/ˈmɛθɪliːn/A chemical group consisting of a carbon atom bonded to two hydrogen atoms (CH₂), often found as part of larger organic molecules.
methylene blue
nounLow
/ˈmɛθɪliːn ˈbluː/A synthetic heterocyclic aromatic chemical compound used as a blue dye and a biological stain.
methylene chloride
nounLow
/ˈmɛθɪliːn ˈklɔːraɪd/A volatile, colourless liquid chemical compound (CH2Cl2) used primarily as a solvent, paint stripper, and aerosol propellant.
methylene dioxyamphetamine
nounC2
/ˌmɛθɪliːn daɪˌɒksɪæmˈfɛtəmiːn/A synthetic psychoactive drug, commonly known as MDMA or ecstasy, which acts as both a stimulant and a hallucinogenic empathogen.
methylene group
nounVery low
/ˈmɛθɪliːn ɡruːp/A chemical unit consisting of one carbon atom bonded to two hydrogen atoms (CH₂), typically found as part of larger organic molecules.
methylene iodide
nounVery Low
/ˌmɛθɪliːn ˈaɪədaɪd/A dense, colorless liquid chemical compound (CH2I2), often used in mineralogy and chemistry for density separation.
methylglyoxal
nounVery Low (Specialist/Scientific)
/ˌmiːθaɪlˈɡlaɪəksæl/A highly reactive organic compound, a small aldehyde molecule, that is a natural byproduct of metabolism.
methylheptenone
nounVery Low
/ˌmɛθɪlˈhɛptɪnəʊn/An organic chemical compound, specifically an unsaturated ketone with a characteristic citrus-like odour, used in perfumery and as a synthetic intermediate.
methylidyne group
nounvery low
/ˌmɛθɪˈlɪdaɪn ɡruːp/A functional group in organic chemistry consisting of a carbon atom bonded to a hydrogen atom by a triple bond (≡CH), making it highly reactive.
methylisobutenyl ketone
nounVery Low
/ˌmɛθɪlˌaɪsəʊˈbjuːtɪnɪl ˈkiːtəʊn/A specific industrial chemical compound, a ketone containing a methyl group and an isobutenyl group.
methylmercury
nounC2
/ˌmɛθɪlˈmɜːkjəri/An organomercury compound, specifically a toxic organic form of mercury, where a methyl group is bonded to a mercury atom (CH₃Hg⁺).
methylnaphthalene
nounC2 (Very Low Frequency)
/ˌmɛθɪlˈnæfθəliːn/A chemical compound consisting of a naphthalene molecule with one or more methyl groups attached.

Showing 4341–4360 of 8594 words.