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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)

microcrystal
nounC2
/ˈmaɪ.krəʊˌkrɪs.təl/An extremely small crystal, typically visible only under a microscope.
microculture
nounC1/C2
/ˈmaɪ.krəʊˌkʌl.tʃər/A small, distinct cultural group within a larger society, often defined by specific shared practices, values, or identity.
microcurie
nounC2
/ˌmaɪ.krəʊˈkjʊə.ri/A unit of radioactivity equal to one millionth of a curie.
microcyte
nounVery Low (Specialized Medical)
/ˈmaɪ.krəʊ.saɪt/An abnormally small red blood cell.
microdensitometer
nounVery low
/ˌmaɪkrəʊˌdensɪˈtɒmɪtə/A highly sensitive scientific instrument used to measure minute variations in the optical density or opacity of a material, particularly in photographic film or other thin specimens.
microdermabrasion
nounC1
/ˌmaɪ.krəʊ.ˌdɜː.məˈbreɪ.ʒən/A cosmetic skin treatment that uses fine crystals or a diamond-tipped wand to gently exfoliate the outermost layer of the skin, aiming to improve its texture and appearance.
microdetector
nounVery Low
/ˌmaɪkrəʊdɪˈtektə/A highly sensitive device for detecting or measuring minute quantities, particles, or signals.
microdissection
nounlow
/ˌmaɪ.krəʊ.dɪˈsek.ʃən/A technique for precisely cutting, isolating, or manipulating extremely small biological structures, such as individual cells or chromosomes, under a microscope.
microdistillation
nounC2 / Very Low Frequency
/ˌmaɪkrəʊdɪstɪˈleɪʃ(ə)n/A laboratory-scale distillation process involving very small volumes of liquid, typically for analytical purposes or high-value materials.
microdontia
nounVery Low
/ˌmaɪ.krəʊˈdɒn.ʃə/A dental condition characterized by the development of abnormally small teeth.
microdose
nounverb-intransitiveverb-transitiveLow (C1-C2)
/ˈmaɪkrəʊˌdəʊs/To take a very small, sub-perceptual dose of a psychedelic substance, typically for purported benefits to mood, creativity, or focus.
microdosing
nounC2
/ˈmaɪkrəʊdəʊsɪŋ/The practice of taking very small amounts of a substance, typically a psychedelic drug, to achieve subtle effects without full intoxication.
microdot
nounverb-transitiveC1
/ˈmaɪ.krəʊ.dɒt/A very small photograph, typically of a document or text, reduced to the size of a dot.
microdrive
nounLow
/ˈmaɪkrəʊˌdraɪv/A very small hard disk drive, originally a specific type of miniature hard drive developed by IBM in the early 2000s, typically using 1-inch platters.
microearthquake
nounlow
/ˈmaɪkrəʊˌɜːθkweɪk/A very small earthquake, typically with a magnitude less than 2.0 on the Richter scale.
microecology
nounVery Low
/ˌmaɪkrəʊ.iˈkɒl.ə.dʒi/The ecology of a very small, specific habitat or community of organisms.
microeconomics
nounC1
/ˌmaɪ.krəʊˌiː.kəˈnɒm.ɪks/The branch of economics that studies the behavior of individuals and firms in making decisions regarding the allocation of scarce resources and the interactions among these individuals and firms.
microelectronics
nounC1
/ˌmaɪ.krəʊ.ɪˌlekˈtrɒn.ɪks/The design, manufacture, and use of extremely small electronic components and circuits, typically on a semiconductor material like silicon.
microelectrophoresis
nounVery Low
/ˌmaɪkrəʊɪˌlɛktrəfəˈriːsɪs/A technique for observing and measuring the movement of microscopic particles or molecules in a fluid under the influence of an electric field.
microencapsulation
nounC2 / Very low frequency
/ˌmaɪ.krəʊ.ɪnˌkæp.sjʊˈleɪ.ʃən/A process of enclosing tiny particles or droplets within a microscopic capsule or coating.

Showing 4621–4640 of 8594 words.