8-Letter Nouns Ending With M

Here's the list of all the 683 8-Letter Nouns Ending 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)
platform
1. a raised horizontal surface
2. a document stating the aims and principles of a political party
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bathroom
1. a room (as in a residence) containing a bathtub or shower and usually a washbasin and toilet
2. a room or building equipped with one or more toilets
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platinum
1. a heavy precious metallic element; grey-white and resistant to corroding; occurs in some nickel and copper ores and is also found native in some deposits
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spectrum
1. an ordered array of the components of an emission or wave
2. a broad range of related objects or values or qualities or ideas or activities
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aluminum
1. a silvery ductile metallic element found primarily in bauxite
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titanium
1. a light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite
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momentum
1. an impelling force or strength
2. the product of a body's mass and its velocity
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aquarium
1. a tank or pool or bowl filled with water for keeping live fish and underwater animals
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newsroom
1. the staff of a newspaper or the news department of a periodical
2. an office in which news is processed by a newspaper or news agency or television or radio station
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paradigm
1. systematic arrangement of all the inflected forms of a word
2. a standard or typical example
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activism
1. a policy of taking direct action to achieve a political or social goal
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organism
1. a living thing that has (or can develop) the ability to act or function independently
2. a system considered analogous in structure or function to a living body
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diazepam
1. a tranquilizer (trade name Valium) used to relieve anxiety and relax muscles; acts by enhancing the inhibitory actions of the neurotransmitter GABA; can also be used as an anticonvulsant drug in cases of nerve agent poisoning
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mushroom
1. common name for an edible agaric (contrasting with the inedible toadstool)
2. mushrooms and related fleshy fungi (including toadstools, puffballs, morels, coral fungi, etc.)
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ballroom
1. large room used mainly for dancing
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monogram
1. a graphic symbol consisting of 2 or more letters combined (usually your initials); printed on stationery or embroidered on clothing
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checksum
1. a digit representing the sum of the digits in an instance of digital data; used to check whether errors have occurred in transmission or storage
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showroom
1. an area where merchandise (such as cars) can be displayed
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waveform
1. the shape of a wave illustrated graphically by plotting the values of the period quantity against time
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feminism
1. a doctrine that advocates equal rights for women
2. the movement aimed at equal rights for women
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emporium
1. a large retail store organized into departments offering a variety of merchandise; commonly part of a retail chain
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chromium
1. a hard brittle multivalent metallic element; resistant to corrosion and tarnishing
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optimism
1. the optimistic feeling that all is going to turn out well
2. a general disposition to expect the best in all things
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addendum
1. textual matter that is added onto a publication; usually at the end
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coliseum
1. an oval large stadium with tiers of seats; an arena in which contests and spectacles are held
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ammonium
1. the ion NH4 derived from ammonia; behaves in many respects like an alkali metal ion
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darkroom
1. a room in which photographs are developed
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selenium
1. a toxic nonmetallic element related to sulfur and tellurium; occurs in several allotropic forms; a stable grey metallike allotrope conducts electricity better in the light than in the dark and is used in photocells; occurs in sulfide ores (as pyrite)
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chatroom
1. a site on the internet where a number of users can communicate in real time (typically one dedicated to a particular topic)
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telegram
1. a message transmitted by telegraph
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pendulum
1. an apparatus consisting of an object mounted so that it swings freely under the influence of gravity
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heirloom
1. (law) any property that is considered by law or custom as inseparable from an inheritance is inherited with that inheritance
2. something that has been in a family for generations
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intercom
1. a communication system linking different rooms within a building or ship etc
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solarium
1. a room enclosed largely with glass and affording exposure to the sun
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neoplasm
1. an abnormal new mass of tissue that serves no purpose
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restroom
1. a toilet that is available to the public
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aneurysm
1. a cardiovascular disease characterized by a saclike widening of an artery resulting from weakening of the artery wall
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hologram
1. the intermediate photograph (or photographic record) that contains information for reproducing a three-dimensional image by holography
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exorcism
1. freeing from evil spirits
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bookworm
1. a person who pays more attention to formal rules and book learning than they merit
2. someone who spends a great deal of time reading
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humanism
1. the doctrine that people's duty is to promote human welfare
2. the doctrine emphasizing a person's capacity for self-realization through reason; rejects religion and the supernatural
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idealism
1. (philosophy) the philosophical theory that ideas are the only reality
2. impracticality by virtue of thinking of things in their ideal form rather than as they really are
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geranium
1. any of numerous plants of the family Geraniaceae
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kilogram
1. one thousand grams; the basic unit of mass adopted under the Systeme International d'Unites
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delirium
1. state of violent mental agitation
2. a usually brief state of excitement and mental confusion often accompanied by hallucinations
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cynicism
1. a cynical feeling of distrust
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paganism
1. any of various religions other than Christianity or Judaism or Islamism
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daydream
1. absentminded dreaming while awake
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vanadium
1. a soft silvery white toxic metallic element used in steel alloys; it occurs in several complex minerals including carnotite and vanadinite
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embolism
1. an insertion into a calendar
2. occlusion of a blood vessel by an embolus (a loose clot or air bubble or other particle)
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headroom
1. vertical space available to allow easy passage under something
2. the capacity of a system to reproduce loud sounds without distortion
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washroom
1. a lavatory (particularly a lavatory in a public place)
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trillium
1. any liliaceous plant of the genus Trillium having a whorl of three leaves at the top of the stem with a single three-petaled flower
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playroom
1. a recreation room for noisy activities (parties or children's play etc)
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altruism
1. the quality of unselfish concern for the welfare of others
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seraphim
1. an angel of the first order; usually portrayed as the winged head of a child
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dynamism
1. any of the various theories or doctrines or philosophical systems that attempt to explain the phenomena of the universe in terms of some immanent force or energy
2. active strength of body or mind
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imperium
1. the domain ruled by an emperor or empress; the region over which imperial dominion is exercised
2. supreme authority; absolute dominion
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linoleum
1. a floor covering
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speculum
1. a mirror (especially one made of polished metal) for use in an optical instrument
2. a medical instrument for dilating a bodily passage or cavity in order to examine the interior
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cardamom
1. rhizomatous herb of India having aromatic seeds used as seasoning
2. aromatic seeds used as seasoning like cinnamon and cloves especially in pickles and barbecue sauces
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tantalum
1. a hard grey lustrous metallic element that is highly resistant to corrosion; occurs in niobite and fergusonite and tantalite
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backroom
1. the meeting place of a group of leaders who make their decisions via private negotiations
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hedonism
1. the pursuit of pleasure as a matter of ethical principle
2. an ethical system that evaluates the pursuit of pleasure as the highest good
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ngultrum
1. the basic unit of money in Bhutan
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nihilism
1. a revolutionary doctrine that advocates destruction of the social system for its own sake
2. the delusion that things (or everything, including the self) do not exist; a sense that everything is unreal
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capsicum
1. any of various tropical plants of the genus Capsicum bearing peppers
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psyllium
1. plantain of Mediterranean regions whose seeds swell and become gelatinous when moist and are used as a mild laxative
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unionism
1. the system or principles and theory of labor unions
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pacifism
1. the doctrine that all violence is unjustifiable
2. the belief that all international disputes can be settled by arbitration
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duodenum
1. the part of the small intestine between the stomach and the jejunum
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striatum
1. a striped mass of white and grey matter located in front of the thalamus in each cerebral hemisphere; consists of the caudate nucleus and the lenticular nucleus
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ringworm
1. infections of the skin or nails caused by fungi and appearing as itching circular patches
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futurism
1. an artistic movement in Italy around 1910 that tried to express the energy and values of the machine age
2. the position that the meaning of life should be sought in the future
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brougham
1. light carriage; pulled by a single horse
2. a sedan that has no roof over the driver's seat
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thallium
1. a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
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naturism
1. going without clothes as a social practice
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botulism
1. food poisoning from ingesting botulin; not infectious; affects the CNS; can be fatal if not treated promptly
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silkworm
1. the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber; the principal source of commercial silk
2. larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon
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inoculum
1. a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease
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populism
1. the political doctrine that supports the rights and powers of the common people in their struggle with the privileged elite
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cronyism
1. favoritism shown to friends and associates (as by appointing them to positions without regard for their qualifications)
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angstrom
1. a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
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nepotism
1. favoritism shown to relatives or close friends by those in power (as by giving them jobs)
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phantasm
1. a ghostly appearing figure
2. something existing in perception only
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homeroom
1. a classroom in which all students in a particular grade (or in a division of a grade) meet at certain times under the supervision of a teacher who takes attendance and does other administrative business
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sphagnum
1. any of various pale or ashy mosses of the genus Sphagnum whose decomposed remains form peat
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marjoram
1. aromatic Eurasian perennial
2. pungent leaves used as seasoning with meats and fowl and in stews and soups and omelets
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mesoderm
1. the middle germ layer that develops into muscle and bone and cartilage and blood and connective tissue
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atheneum
1. a literary or scientific association for the promotion of learning
2. a place where reading materials are available
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moonbeam
1. a ray of moonlight
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tapeworm
1. ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates
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escapism
1. an inclination to retreat from unpleasant realities through diversion or fantasy
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lyricism
1. the property of being suitable for singing
2. unrestrained and exaggerated enthusiasm
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workroom
1. room where work is done
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alluvium
1. clay or silt or gravel carried by rushing streams and deposited where the stream slows down
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meristem
1. undifferentiated tissue from which new cells are formed, as at the tip of a stem or root
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fatalism
1. a submissive mental attitude resulting from acceptance of the doctrine that everything that happens is predetermined and inevitable
2. a philosophical doctrine holding that all events are predetermined in advance for all time and human beings are powerless to change them
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isotherm
1. (meteorology) an isogram connecting points having the same temperature at a given time
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rubidium
1. a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
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cherubim
1. a sweet innocent baby
2. an angel of the second order whose gift is knowledge; usually portrayed as a winged child
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telefilm
1. a movie that is made to be shown on television
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sonogram
1. an image of a structure that is produced by ultrasonography (reflections of high-frequency sound waves); used to observe fetal growth or to study bodily organs
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jeroboam
1. a large wine bottle (holds 4/5 of a gallon)
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8-Letter Nouns Ending With M