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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)

metacinnabarite
nounVery Low / Extremely Rare
/ˌmetəsɪˈnɑːbərʌɪt/A naturally occurring, cubic, black or grayish-black crystalline form of mercuric sulfide (HgS).
metacognition
nounC1
/ˌmɛtəkɒɡˈnɪʃ(ə)n/Thinking about one's own thinking; awareness and understanding of one's own thought processes.
metacomet
nounVery Low (Proper Noun, historical reference)
/ˈmɛtəkəʊmɛt/The Wampanoag leader also known as King Philip, who led Native American resistance against New England colonists in 1675–1676.
metacomputer
nounVery Low (C2+)
/ˈmet.ə.kəmˌpjuː.tər/A network of computers and computational resources that appears to the user as a single, unified, high-performance computer.
metacryst
nounVery Low (Specialist/Technical)
/ˈmɛtəkrɪst/A crystal formed within a rock by recrystallisation of its minerals after the rock's initial formation.
metadata
nounplural-nounC1/C2
/ˈmet.əˌdeɪ.tə/Data that provides information about other data, describing its characteristics, structure, context, or origin.
metaethics
nounC2
/ˌmetəˈeθɪks/The philosophical study of the nature, foundations, and meaning of ethical concepts and moral judgments, rather than making specific moral recommendations.
metafemale
nounVery low
/ˈmetəˌfiːmeɪl/A female organism with three X chromosomes (XXX) instead of the typical two (XX).
metafiction
nounC1-C2 / Low frequency in general use
/ˌmetəˈfɪkʃ(ə)n/Fiction that self-consciously draws attention to its own fictional nature, often by breaking the illusion of the narrative.
metagalaxy
nounVery Rare
/ˈmetəˌɡæləksi/The entire system of galaxies; the totality of all galaxies considered as a single, immense system.
metage
nounHistorical/Obsolute Rarity
/ˈmiːtɪdʒ/A fee or duty paid for the official measurement or weighing of goods, especially grain or coal, in certain historical ports and markets.
metagenesis
nounVery Low
/ˌmɛtəˈdʒɛnɪsɪs/Alternation of generations in some organisms, especially a reproductive cycle involving alternating sexual and asexual phases.
metal
adjectivenounverb+1B2
/ˈmet.əl/A hard, shiny, solid material, often a chemical element such as iron, gold, or silver, which is malleable and a good conductor of heat and electricity.
metal detector
nounB1
/ˈmetl dɪˌtektə(r)/A portable electronic device used to locate nearby metallic objects by generating a magnetic field and detecting disruptions caused by metal.
metal lath
nounLow
/ˈmetl̩ lɑːθ/A base material of expanded metal or wire mesh used as a support for plaster, stucco, or other finishing materials in construction.
metal lumber
nounLow
/ˈmɛtl ˈlʌmbə/Steel beams, channels, or structural shapes, often used in construction, manufacturing, and fabrication as an equivalent to wooden lumber, but made of metal.
metal oxide semiconductor
nounTechnical/Low
/ˈmet.əl ˈɒk.saɪd ˌsem.i.kənˈdʌk.tə/A semiconductor device in which the current flow is controlled by a metal gate electrode separated from the semiconductor channel by a thin insulating oxide layer.
metal paste-up
nounVery Low
/ˈmet.əl ˈpeɪst ʌp/A physical assembly of typeset text and images mounted on a board, used in traditional printing before digital layout.
metal spraying
nounLow (Technical/Specialised)
/ˈmɛtl ˌspreɪ.ɪŋ/A process in which molten or softened metal is propelled by a pressurised gas stream onto a prepared surface to form a coating.
metal tape
nounLow, Technical
/ˈmet.əl teɪp/A physical recording medium consisting of a thin strip of metal or a plastic tape with a metallic coating, used for storing audio or data signals.

Showing 4121–4140 of 8594 words.