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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)

materialize
verbverb-intransitiveverb-transitiveB2
/məˈtɪə.ri.ə.laɪz/to become actual or real; to appear in physical form.
materials
plural-nounHigh
/məˈtɪə.ri.əlz/The substance or substances from which a physical object is made or composed.
materials handling
nounC1
/məˈtɪə.ri.əlz ˈhænd.lɪŋ/The process of moving, storing, protecting, and controlling materials and products throughout their lifecycle in manufacturing, warehousing, distribution, and disposal.
materials science
nounlow
/məˈtɪə.ri.əlz ˈsaɪ.əns/The scientific study of the properties, structure, and applications of materials such as metals, ceramics, polymers, and composites.
materiel
nounC1/C2
/məˌtɪərɪˈɛl/The physical equipment and supplies of a military force, such as weapons, vehicles, ammunition, and provisions.
maternalize
verb-transitiveVery Low
/məˈtɜː.nə.laɪz/To make something or someone more motherly or maternal in character; to instill maternal qualities.
maternity
adjectivenounMedium
/məˈtɜːnəti/The state or experience of being a mother; motherhood.
maternity benefit
nounC1/C2
/məˈtɜːnɪti ˈbɛnɪfɪt/A payment or allowance paid by a government or employer to a woman before and/or after the birth of her child.
maternity leave
nounHigh
/məˈtɜːnɪti liːv/A period of paid or unpaid leave from work granted to a mother before and after the birth of her child.
mateship
nounLow-medium (highly frequent and culturally significant in Australian English, low in other varieties)
/ˈmeɪtʃɪp/The bond of friendship, fellowship, and solidarity between equals, often implying mutual loyalty and support, especially in difficult circumstances.
matey
adjectivenounC1-C2
/ˈmeɪti/A term of familiar address for a friend, acquaintance, or fellow crew member.
math
nounHigh
/mæθ/The abstract science of number, quantity, space, and change, studied through reasoning, calculation, and logical systems.
mathematical expectation
nounC2
/ˌmæθ.əˌmæt.ɪ.kəl ˌek.spekˈteɪ.ʃən/The theoretical average value of a random variable, calculated as the sum of all possible values each multiplied by their probability of occurrence.
mathematical induction
nounLow (C2)
/ˌmæθəˌmætɪkl ɪnˈdʌkʃn/A rigorous proof technique in mathematics used to prove statements that are claimed to be true for all natural numbers. It consists of two steps: proving the base case (usually for n=1) and proving that if the statement holds for an arbitrary integer k (the inductive hypothesis), then it also holds for k+1.
mathematical logic
nounC1+ (Academic/Technical)
/ˌmæθ.əˌmæt.ɪ.kəl ˈlɒdʒ.ɪk/The subfield of mathematics and philosophy concerned with formal systems, reasoning, and the relationships between language, proof, and computation.
mathematical probability
nounC2/Technical
/ˌmæθ.əˌmæt.ɪ.kəl ˌprɒb.əˈbɪl.ə.ti/A measure of the likelihood that a specific event will occur, expressed as a number between 0 and 1 (or 0% and 100%), calculated from a mathematical model of a random process. For example, the probability of flipping a fair coin and getting heads is 0.5.
mathematician
nounC1
/ˌmæθəməˈtɪʃn/A person who is an expert in or studies mathematics.
mathematics
nounHigh
/ˌmæθəˈmætɪks/The abstract science of number, quantity, space, and change, studied through the rigorous use of logic and symbolic notation.
mathematize
verb-transitiveC2 (Very low frequency; specialist term)
/ˈmæθəmətaɪz/To express or formulate (a concept, problem, or system) in mathematical terms or using mathematical structures.
mather
nounObsolete / Very rare
/ˈmaðə/An archaic or dialectal variant of 'madder', a herbaceous climbing plant of the bedstraw family, formerly cultivated for the red dye obtained from its roots.

Showing 2561–2580 of 8594 words.