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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)

mohorovicic discontinuity
nounC2
/ˌməʊhərəʊˈvɪtʃɪtʃ ˌdɪskɒntɪˈnjuːɪti/The sharp boundary between the Earth's crust and the mantle, marked by a sudden increase in seismic wave velocity.
mohr's circle
nounVery low (Rare technical term)
/ˈmɔːz ˌsɜːkl/A graphical two-dimensional representation used in engineering mechanics to transform the state of stress or strain at a point.
mohs scale
nounLow
/ˈməʊz ˌskeɪl/A scale from 1 to 10 that measures the hardness of minerals, based on their ability to scratch or be scratched by other minerals.
mohua
nounVery low
/ˈməʊ.hʊə/A small, insectivorous songbird native to New Zealand, also known as the yellowhead.
mohur
nounRare
/ˈməʊhə/A gold coin that was historically used in India.
mohwa
nounVery Low / Specialised
/ˈmɑːwə/An Indian tree (Madhuca longifolia) whose flowers are used to make an alcoholic drink, and whose seeds produce an edible oil.
moidore
nounVery Rare (Obsolete/Historical)
/ˈmɔɪdɔː/A historical gold coin of Portugal, especially one minted in the 18th century, also used in England as currency with a fixed value.
moiety
nounC2+ (Very low frequency / learned)
/ˈmɔɪ.ə.ti/Each of two parts into which something is or can be divided; a half.
moil
nounverbverb-intransitive+1C2/Rare
/mɔɪl/To work hard in a strenuous, often chaotic or messy way.
moira
nounLow (rare, specialized term)
/ˈmɔɪ.rə/Fate, destiny, or a person's allotted portion in life (from Greek mythology)
moirai
plural-nounVery Low
/ˈmɔɪraɪ/In Greek mythology, the three goddesses of fate who control the destiny of every mortal and god.
moire
adjectivenounC1
/ˈmwɑːreɪ/A fabric, typically silk, with a wavy or rippled, watered pattern that changes appearance with movement.
moire effect
nounLow
/ˈmwɑːreɪ ɪˌfɛkt/A visual interference pattern that appears when two similar, repetitive patterns (like grids or lines) are overlaid or superimposed, creating a shimmering, rippling, or wavy appearance.
moiseivich
nounVery Rare / Obscure
/ˌmɔɪˈseɪɪvɪtʃ/A patronymic (middle name) in Russian naming conventions, meaning "son of Moisei" (Moses).
moiseyev
nounLow
/ˈmɔɪseɪɛf/A proper surname, most famously associated with Igor Moiseyev, a Soviet and Russian ballet choreographer and founder of the Moiseyev Ballet Company.
moism
nounExtremely rare/Obsolète
An extremely rare or obsolete term. Not present in modern standard English dictionaries. Its appearance may stem from a typo, historical variant, or highly obscure technical/scientific usage (e.g., a rare rock texture in petrology).
moissan
nounC2
/ˈmwæsæ̃/ or /ˈmwɑːsɒn/A rare, naturally occurring mineral, silicon carbide (SiC), known for its extreme hardness and brilliance.
moissanite
nounLow (specialised vocabulary)
/ˈmwɑːsənaɪt/A rare mineral, silicon carbide (SiC), often synthesized and used as a diamond simulant in jewellery.
moisten
verbverb-ambitransitiveC1
/ˈmɔɪ.sən/To make something slightly wet.
moisture
nounB2
/ˈmɔɪstʃə(r)/Water or another liquid in small quantities, diffused through a substance or present as small droplets in the air, on a surface, or within a material.

Showing 6301–6320 of 8594 words.