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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)

microbarograph
nounC2
/ˌmaɪ.krəʊˈbær.ə.ɡrɑːf/An extremely sensitive barometer that records minute, rapid changes in atmospheric pressure.
microbe
nounC1
/ˈmaɪ.krəʊb/A microscopic living organism, especially a bacterium, virus, or fungus, that can cause disease or fermentation.
microbead
nounC1
/ˈmaɪ.krəʊˌbiːd/A tiny plastic sphere, typically less than 5 millimetres in diameter, often used in consumer products.
microbicide
nounC1/C2 (Low-frequency technical term)
/mʌɪˈkrəʊbɪsʌɪd/A substance or agent that kills microorganisms.
microbiology
nounC1-C2
/ˌmaɪ.krəʊ.baɪˈɒl.ə.dʒi/The scientific study of microscopic organisms, such as bacteria, viruses, archaea, fungi, and protozoa.
microbiome
nounC1/C2
/ˌmaɪ.krəʊˈbaɪ.əʊm/The collection of all microorganisms, such as bacteria, fungi, and viruses, that live in or on a particular environment, especially the human body.
microbiomics
nounLow (technical/scientific term)
/ˌmaɪ.krəʊ.baɪˈɒm.ɪks/The scientific study and analysis of the complete collection of microorganisms (microbiomes) in a particular environment.
microbiota
nounLow
/ˌmaɪ.krəʊ.baɪˈəʊ.tə/The community of microorganisms (bacteria, fungi, viruses, etc.) living in a particular environment, especially within the human or animal body.
microblade
nounC1
/ˈmʌɪkrəʊˌbleɪd/A very small, sharp, thin blade, often made of stone, used in specialized cutting and cosmetic procedures.
microblog
nounverb-intransitiveB2
/ˈmaɪkrəʊˌblɒɡ/A short-form piece of content posted on a social media platform, typically consisting of text, images, or short videos.
microblogging
nounB2-C1
/ˈmaɪkrəʊˌblɒɡɪŋ/The practice of publishing very short pieces of content (text, images, links) on a platform designed for frequent, quick updates.
microbrew
nounC1
/ˈmaɪkrəʊˌbruː/A beer produced by a microbrewery.
microbrewery
nounC1
/ˈmaɪ.krəʊˌbruː.ər.i/A small brewery that produces a limited amount of beer, often characterized by traditional brewing methods and local distribution.
microbubble
nounC1/C2
/ˈmaɪ.krəʊˌbʌb.əl/An extremely small bubble of gas, typically with a diameter of micrometres.
microbubbles
plural-nounLow
/ˈmaɪ.krəʊˌbʌb.əlz/Extremely small bubbles, typically with diameters less than 100 micrometres.
microburst
nounC2
/ˈmaɪ.krəʊ.bɜːst/A very intense, localized downdraft of air that hits the ground and spreads out, often causing sudden destructive winds.
microbus
nounC1
/ˈmaɪ.krəʊ.bʌs/A small passenger bus, often used for local transport or as a shuttle.
microcapsule
nounLow frequency (C2)
/ˈmaɪ.krəʊˌkæp.sjuːl/A tiny, spherical container with a diameter typically between 1 and 1000 micrometres, designed to hold and protect a core substance (liquid or solid) within a shell, allowing for controlled release or targeted delivery.
microcassette
nounLow
/ˌmaɪkrəʊkəˈset/A very small cassette used primarily in portable dictation and answering machines.
microcelebrity
nounLow
/ˌmaɪ.krəʊ.səˈlɛb.rə.ti/A person who is famous to a small, niche group of people, typically through social media or online platforms, rather than to the general public.

Showing 4581–4600 of 8594 words.