12-Letter Nouns Starting With M

Here's the list of all the 779 12-Letter Nouns Starting With M in the English Language.

The list is arranged by the word lengths. Click on the length below to jump to the relevant section of the page.

Common Nouns (with Definitions and Examples)
manufacturer
1. a business engaged in manufacturing some product
2. someone who manufactures something
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modification
1. the act of making something different (as e.g. the size of a garment)
2. slightly modified copy; not an exact copy
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metropolitan
1. in the Eastern Orthodox Church this title is given to a position between bishop and patriarch; equivalent to archbishop in western Christianity
2. a person who lives in a metropolis
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municipality
1. an urban district having corporate status and powers of self-government
2. people living in a town or city having local self-government
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manipulation
1. exerting shrewd or devious influence especially for one's own advantage
2. the action of touching with the hands (or the skillful use of the hands) or by the use of mechanical means
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microbiology
1. the branch of biology that studies microorganisms and their effects on humans
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mesothelioma
1. a form of carcinoma of the mesothelium lining lungs or abdomen or heart; usually associated with exposure to asbestos dust
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mobilization
1. act of assembling and putting into readiness for war or other emergency:
2. act of marshaling and organizing and making ready for use or action
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malnutrition
1. a state of poor nutrition; can result from insufficient or excessive or unbalanced diet or from inability to absorb foods
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multiplicity
1. the property of being multiple
2. a large number
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mitochondria
1. an organelle containing enzymes responsible for producing energy
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minimization
1. the act of reducing something to the least possible amount or degree or position
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metalworking
1. the activity of making things out of metal in a skillful manner
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manslaughter
1. homicide without malice aforethought
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manipulativeMore Definitions →
menstruation
1. the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
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motorcycling
1. riding a motorcycle
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magnetometer
1. a meter to compare strengths of magnetic fields
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mademoiselle
1. small silvery drumfish often mistaken for white perch; found along coasts of United States from New York to Mexico
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methotrexate
1. toxic antimetabolite that limits cellular reproduction by acting as an antagonist to folic acid; used to treat certain cancers and psoriasis and rheumatoid arthritis
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maximization
1. the mathematical process of finding the maximum value of a function
2. the act of raising to the highest possible point or condition or position
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mobilisation
1. act of marshaling and organizing and making ready for use or action
2. act of assembling and putting into readiness for war or other emergency:
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mistreatment
1. the practice of treating (someone or something) badly
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maltreatment
1. cruel or inhumane treatment
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merchandiser
1. a businessperson engaged in retail trade
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multivitamin
1. a pill or tablet containing several vitamins
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musicianship
1. artistry in performing music
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mountainside
1. the side or slope of a mountain
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minimisation
1. the act of reducing something to the least possible amount or degree or position
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misrepresentMore Definitions →
middleweight
1. an amateur boxer who weighs no more than 165 pounds
2. a wrestler who weighs 172-192 pounds
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magnificence
1. splendid or imposing in size or appearance
2. the quality of being magnificent or splendid or grand
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malformation
1. an affliction in which some part of the body is misshapen or malformed
2. something abnormal or anomalous
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memorization
1. learning so as to be able to remember verbatim
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melodramaticMore Definitions →
misalignment
1. the spatial property of things that are not properly aligned
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misstatement
1. a statement that contains a mistake
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motorcyclist
1. a traveler who rides a motorcycle
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misadventure
1. an instance of misfortune
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mycobacteria
1. rod-shaped bacteria some saprophytic or causing diseases
2. rod-shaped bacteria some saprophytic or causing diseases
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marksmanship
1. skill in shooting
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metamorphism
1. change in the structure of rock by natural agencies such as pressure or heat or introduction of new chemical substances
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monetization
1. establishing something (e.g. gold or silver) as the legal tender of a country
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misinterpretMore Definitions →
microsurgery
1. surgery using operating microscopes and miniaturized precision instruments to perform intricate procedures on very small structures
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misdirection
1. an incorrect charge to a jury given by a judge
2. incorrect directions or instructions
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12-Letter Nouns Starting With M