Browse by letter

English Words Starting With M

8,594 entries — pick a word to see its definition, pronunciation, and usage.

Filter

Parts of speech

Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

microenvironment
nounLow
/ˌmaɪ.krəʊ.ɪnˈvaɪ.rən.mənt/The immediate, small-scale surroundings or conditions of an individual entity, organism, or cell.
microevolution
nounLow
/ˌmaɪkrəʊˌiːvəˈluːʃ(ə)n/Small-scale evolutionary changes within a species or population over a relatively short period, often involving changes in allele frequencies.
microfarad
nounTechnical
/ˈmaɪ.krəʊˌfær.æd/A unit of electrical capacitance equal to one millionth (10⁻⁶) of a farad.
microfauna
nounC2 / Very Low
/ˌmaɪ.krəʊˈfɔː.nə/Microscopic animals or very small animals requiring magnification to see, typically inhabiting a specific environment like soil, water, or inside larger organisms.
microfiber
nounB2
/ˈmaɪ.krəʊˌfaɪ.bə/An extremely fine synthetic fibre, thinner than a strand of silk, woven into a fabric.
microfibre
nounC1
/ˈmaɪ.krəʊˌfaɪ.bə/An extremely fine synthetic fibre, typically made of polyester or nylon, used to make textiles that are soft, lightweight, durable, and often with moisture-wicking properties.
microfibril
nounLow
/ˈmaɪkrəʊˌfaɪbrɪl/A very small, thread-like structural unit, often a component of cellulose or collagen.
microfiche
nounverb-transitiveC1
/ˈmaɪ.krəʊ.fiːʃ/A small sheet of microfilm containing multiple reduced-size pages of text or images, used for compact storage and retrieval of documents.
microfiction
nounC1
/ˈmaɪ.krəʊˌfɪk.ʃən/A fictional story that is extremely brief, typically under 300 words.
microfilament
nounLow
/ˈmaɪ.krəʊ.ˌfɪl.ə.mənt/A thin, solid, rod-like structure made of actin protein, found in the cytoskeleton of eukaryotic cells, crucial for cell shape, movement, and division.
microfilaria
nounLow
/ˌmaɪkrə(ʊ)fɪˈlɛːrɪə/The early larval stage of a parasitic filarial worm, found in the blood or tissue of infected hosts.
microfilm
nounverbverb-transitiveC1
/ˈmaɪ.krəʊ.fɪlm/Photographic film on which documents, newspapers, etc., are recorded in a much reduced size for ease of storage and retrieval.
microfilm plotter
nounC1/C2
/ˈmaɪkrəʊfɪlm ˈplɒtə/A machine for printing or drawing images (typically vector graphics or line drawings) directly onto microfilm.
microfilter
nounC1
/ˈmaɪkrəʊˌfɪltə/A filter with very fine pores, designed to remove microscopic particles from a liquid or gas.
microflora
nounC1
/ˌmaɪkrəʊˈflɔːrə/The community of microorganisms, including bacteria, fungi, and algae, inhabiting a particular environment.
microfluidics
nounC2
/ˌmaɪ.krəʊ.fluːˈɪd.ɪks/The science and technology of manipulating and controlling fluids in channels of sub-millimetre scale.
microform
nounLow
/ˈmaɪkrə(ʊ)fɔːm/a material (such as film) on which written, printed, or graphic matter is reduced in size, requiring magnification for reading.
microfossil
nounLow
/ˈmaɪ.krəʊˌfɒs.əl/A fossil that is too small to be studied without a microscope.
microgamete
nounC2 / Very Low Frequency
/ˌmaɪkrəʊˈɡæmiːt/The smaller, usually motile male gamete (reproductive cell) in anisogamous species.
microgeneration
nounC1+
/ˈmaɪ.krəʊ.ˌdʒen.əˈreɪ.ʃən/The small-scale generation of electricity or heat by individual homes, businesses, or communities, typically using renewable sources like solar panels or small wind turbines.

Showing 4641–4660 of 8594 words.