12-letter words containing m, a, r, c, h
- hammer price — the price offered as the winning bid in a public auction
- handcraftman — handicraftsman.
- happy camper — Slang. a person who is cheerful and satisfied: There were no happy campers after the company was reorganized.
- harmonic law — any one of three laws governing planetary motion: each planet revolves in an ellipse, with the sun at one focus; the line connecting a planet to the sun sweeps out equal areas in equal periods of time (law of areas) or the square of the period of revolution of each planet is proportional to the cube of the semimajor axis of the planet's orbit (harmonic law)
- harmonically — pertaining to harmony, as distinguished from melody and rhythm.
- harmonichord — a musical instrument resembling an upright piano intended to fuse the sound of a violin with the functionality of a piano, the tone therefore produced using friction rather than through striking
- harum-scarum — reckless; rash; irresponsible: He had a harum-scarum youth.
- hemerocallis — the genus comprising the day lilies.
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- hermetically — so as to be airtight: hermetically sealed.
- heroic drama — Restoration tragedy, especially that popular in England c1660–1700, using highly rhetorical language and written in heroic couplets.
- heroicomical — blending heroic and comic elements: a heroicomic poem.
- hibernaculum — a protective case or covering, especially for winter, as of an animal or a plant bud.
- hidrocystoma — An adenoma of the sweat glands.
- hire company — a company that hires things out to people
- home teacher — private tutor
- homoromantic — Romantically attracted to those of the same gender.
- horometrical — Relating to horometry.
- hunger march — a procession of protest or demonstration by the unemployed
- hydrodynamic — pertaining to forces in or motions of liquids.
- hyperdynamic — (physiology) Describing an increase in both blood pressure and pulse pressure.
- hyperkalemic — Having a high percentage of potassium in one's blood.
- hypermagical — produced by or as if by magic: The change in the appearance of the room was magical.
- hypermediacy — Hypermedia literacy; the state of being conversant with hypermedia technologies.
- hypersarcoma — a growth of proud or fungous flesh
- hypersomniac — a tendency to sleep excessively.
- iatrochemist — a person who practises iatrochemistry
- inharmonical — Alternative form of inharmonic.
- isochromatic — Optics. having the same color or tint.
- kurchatovium — (chemistry) A rejected name for rutherfordium.
- lachrymation — the secretion of tears, especially in abnormal abundance.
- lachrymatory — of, relating to, or causing the shedding of tears.
- lachrymiform — Shaped like a teardrop.
- lachrymosity — suggestive of or tending to cause tears; mournful.
- lamprophyric — belonging or relating to a lamprophyre
- law merchant — the principles and rules, drawn chiefly from custom, determining the rights and obligations of commercial transactions; commercial law.
- like a charm — perfectly; successfully
- machairodont — having sabre-like teeth; sabre-toothed
- machine word — word (def 10).
- machine-word — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
- macrocephaly — Cephalometry. being or having a head with a large cranial capacity.
- macroetching — to etch deeply into the surface of (a metal).
- macrophagous — (of an animal) feeding on relatively large particles of food
- macrophysics — the branch of physics that deals with physical objects large enough to be observed and treated directly.
- macroweather — Longer term average weather, covering period of length between that of weather and climate.
- mammographic — Of, or pertaining to, mammography.
- marconigraph — (dated) wireless telegraph.
- markov chain — a Markov process restricted to discrete random events or to discontinuous time sequences.
- marsh orchid — any of various orchids of the genus Dactylorhiza, growing in damp places and having mostly purplish flowers
- match-winner — a player who wins a sports match for his or her team, for example by scoring a goal