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English Words Starting With M

8,594 entries — pick a word to see its definition, pronunciation, and usage.

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

methanoic acid
nounRare / Specialized
/ˌmɛθəˈnəʊɪk ˈæsɪd/The simplest carboxylic acid, with the chemical formula HCOOH, naturally found in the venom of some ants and in stinging nettles.
methanol
nounC2/Technical
/ˈmɛθənɒl/A volatile, flammable, poisonous, simple alcohol (CH₃OH), also known as wood alcohol, used as a solvent, fuel, and antifreeze.
methantheline
nounVery rare
/mɛˈθænθəliːn/An anticholinergic drug used to treat gastrointestinal disorders and excessive sweating.
methaqualone
nounC2
/ˌmɛθəˈkweɪləʊn/A synthetic sedative and hypnotic drug, formerly used medically as a sleeping pill, now largely illegal due to its high potential for abuse and dependence.
metheglin
nounVery Low
/mɪˈθɛɡlɪn/A spiced or medicated variety of mead, originally from Wales.
methemoglobin
nounC2
/ˌmɛtˌhiːmə(ʊ)ˈɡləʊbɪn/A form of hemoglobin in which the iron has been oxidized, making it incapable of carrying oxygen effectively.
methenamine
nounVery Low (Specialised)
/mɛˈθiːnəmiːn/A synthetic, heterocyclic organic compound used as an antibacterial agent, especially in urinary tract infections.
methicillin
nounC2
/ˌmɛθɪˈsɪlɪn/A synthetic penicillin derivative that was one of the first antibiotics effective against penicillinase-producing bacteria.
methimazole
nounLow/Very Low
/mɛˈθɪməzəʊl/An antithyroid medication used to treat hyperthyroidism by reducing the production of thyroid hormones.
methinks
verbVery Low
/mɪˈθɪŋks/It seems to me; I think (an archaic impersonal expression of opinion).
methiocarb
nounC1
/ˌmɛθɪə(ʊ)ˈkɑːb/A carbamate insecticide and molluscicide used primarily in agriculture and horticulture.
methionine
nounC2 (Specialized/Technical)
/mɪˈθaɪ.ə.niːn/An essential sulfur-containing amino acid, crucial for protein synthesis and numerous metabolic processes.
metho
nounVery low
/ˈmɛθəʊ/A casual shortening of 'methylated spirits' in Australian and New Zealand English; a denatured alcohol used as a solvent, fuel, or cleaning agent.
methocarbamol
nounLow/Very Low
/ˌmɛθəʊˈkɑːbəmɒl/A central nervous system depressant and skeletal muscle relaxant, used to treat muscle spasms and pain.
method
adjectivenounCommon
/ˈmɛθəd/A systematic way or procedure for doing something.
methodism
nounC1
/ˈmɛθədɪz(ə)m/The beliefs, practices, and system of organization of the Methodist Church, a Protestant Christian denomination emphasizing personal piety, methodical discipline, and social outreach.
methodist
adjectivenounC2
/ˈmɛθədɪst/A member of a Protestant Christian denomination founded by John Wesley, emphasizing personal faith, disciplined spiritual life, and social service.
methodius
nounLow
/mɪˈθəʊdiəs/A male given name, historically significant as one of the two Byzantine Greek brothers (Cyril and Methodius) who created the Glagolitic alphabet and contributed to the Christianization of the Slavs in the 9th century.
methodize
verbverb-transitiveC1/C2
/ˈmɛθədaɪz/To arrange or organize according to a systematic method; to make orderly.
methodology
nounC1
/ˌmeθəˈdɒlədʒi/A system of methods, procedures, and rules used in a particular discipline or field of study.

Showing 4281–4300 of 8594 words.