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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)

mass man
nounC2
/ˌmæs ˈmæn/An individual within a modern, industrialised society who is viewed as lacking genuine individuality, independent thought, and authentic cultural values, conforming instead to the tastes, behaviours, and opinions promoted by mass media and large-scale social organisation.
mass marketing
nounC1
/ˌmæs ˈmɑːkɪtɪŋ/The promotion and sale of a product or service to a very large, undifferentiated audience, typically via mass media.
mass media
plural-nounHigh
/ˌmæs ˈmiː.di.ə/The main means of mass communication, especially newspapers, television, and radio, regarded collectively.
mass medium
nounB2
/ˌmæs ˈmiː.di.əm/A means of communication designed to reach a very large, often anonymous, audience, such as television, radio, newspapers, or the internet.
mass meeting
nounC1
/ˌmæs ˈmiːtɪŋ/A large, organized gathering of people for discussion, speeches, or to make collective decisions.
mass merchandiser
nounC1/C2
/ˌmæs ˈmɜː.tʃən.daɪ.zər/A large retail company that sells a wide variety of consumer goods, often at low prices, through high-volume sales, typically in a self-service format.
mass movement
nounC1
/ˌmæs ˈmuːv.mənt/A large-scale, coordinated action or migration involving many people, typically aimed at achieving a social, political, or geological goal.
mass murder
nounC1
/ˌmæs ˈmɜː.dər/The intentional killing of a large number of people, typically in a single event or over a short period.
mass noun
nounC1
/ˈmæs ˌnaʊn/A noun that refers to an undifferentiated substance or concept, not countable as individual units (e.g., water, advice).
mass number
nounC2
/ˈmæs ˌnʌmbə/The total number of protons and neutrons in an atomic nucleus.
mass observation
nounC1/C2
/ˌmæs ɒbzəˈveɪʃ(ə)n/A systematic study and recording of the everyday lives and behaviours of a large group of people, especially as a social or anthropological research project.
mass production
nounB2
/ˌmæs prəˈdʌk.ʃən/The manufacture of goods in large quantities using standardized processes and machinery to achieve high volume and low per-unit cost.
mass psychogenic illness
nounLow
/ˌmæs ˌsaɪ.kəʊˈdʒen.ɪk ˈɪl.nəs/The rapid spread of physical symptoms and illness beliefs among a group of people, with no organic cause, often triggered by stress or shared anxiety.
mass psychology
nounC1
/ˌmæs saɪˈkɒlədʒi/The study or manifestation of collective, emotional, and often irrational behaviour in large groups.
mass ratio
nounC1
/ˈmæs ˈreɪ.ʃi.əʊ/A dimensionless quantity representing the relative masses of two objects, typically calculated by dividing one mass by another.
mass shooting
nounMedium-High
/ˌmæs ˈʃuːtɪŋ/An incident in which one or more individuals use firearms to kill or injure multiple people in a single, connected event, typically in a public place.
mass society
nounC1
/ˌmæs səˈsaɪ.ə.ti/A large-scale, highly populated, industrialized society where traditional social ties are weakened and individuals are governed by impersonal, centralized institutions and mass media.
mass sociogenic illness
nounLow
/ˌmæs ˌsəʊ.si.əʊˈdʒen.ɪk ˈɪl.nəs/The rapid spread of illness symptoms among a group of people without any identifiable organic cause, typically triggered by stress, belief, or suggestion.
mass spectrograph
nounLow
/ˌmæs ˈspek.trə.ɡrɑːf/An instrument that measures the masses and relative abundances of atoms and molecules by separating gaseous ions according to their mass-to-charge ratio, recording the results on a photographic plate.
mass spectrometer
nounLow (C2)
/ˌmæs spekˈtrɒm.ɪ.tə/An analytical instrument that measures the mass-to-charge ratio of ions to identify and quantify molecules in a sample.

Showing 2341–2360 of 8594 words.