12-letter words containing m, a, i, r
- graven image — an idol.
- gravicembalo — a harpsichord.
- gravitometer — an instrument that measures specific gravities
- gravitropism — (biology, botany) a plant's ability to change its growth in response to gravity.
- great primer — an 18-point type of a size larger than Columbian, formerly used for Bibles.
- great schism — a period of division in the Roman Catholic Church, 1378–1417, over papal succession, during which there were two, or sometimes three, claimants to the papal office.
- greenbackism — a former political party, organized in 1874, opposed to the retirement or reduction of greenbacks and favoring their increase as the only paper currency.
- gregarianism — the practice of living or clustering together in crowds or flocks
- grimaldi man — a type of Aurignacian man having a negroid appearance, thought to be a race of Cro-Magnon man
- grimsel pass — an Alpine pass in S Switzerland. 7159 feet (2184 meters) high.
- gross margin — the difference between total revenue and the cost of goods sold
- gyromagnetic — of or relating to the magnetic properties of a rotating charged particle.
- haemoprotein — Alternative spelling of hemoprotein.
- haemorrhagic — (chiefly, British) alternative spelling of hemorrhagic.
- haemorrhoids — Plural form of haemorrhoid.
- haemosiderin — Alternative form of hemosiderin.
- hair implant — the insertion of synthetic fibers or human hair into the scalp to cover baldness.
- hair removal — depilatory treatment
- hair remover — depilatory cream
- hamarthritis — a swollen and painful condition that can affect all the joints
- hamartiology — the doctrine of sin in Christian theology
- hammer drill — a rock drill operated by compressed air in which the boring bit is not attached to the reciprocating piston
- hammer price — the price offered as the winning bid in a public auction
- hamstringing — Present participle of hamstring.
- harlem river — tidal river separating Manhattan Island from the Bronx &, with Spuyten Duyvil Creek, connecting the East River with the Hudson: c. 8 mi (12.9 km)
- 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
- harmoniously — marked by agreement in feeling, attitude, or action: a harmonious group.
- harmoniumist — a person who plays a harmonium
- harmonizable — That can be harmonized.
- harvest mite — chigger (def 1).
- harvest time — season when crops are gathered
- haulage firm — a firm that transports goods by lorry
- headmistress — a woman in charge of a private school.
- heartwarming — gratifying; rewarding; satisfying: a heartwarming response to his work.
- heimskringla — a book of the 13th century narrating the history of the kings of Norway by Snorri Sturluson.
- hellgramites — Plural form of hellgramite.
- hellgrammite — the aquatic larva of a dobsonfly, used as bait in fishing.
- hemapheresis — apheresis.
- hemarthrosis — (pathology) bleeding in the joints.
- 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.
- hemihydrates — Plural form of hemihydrate.
- hemiparasite — A plant that obtains or may obtain part of its food by parasitism, e.g., mistletoe, which also photosynthesizes.
- hemodialyzer — artificial kidney.
- hemorrhaging — a profuse discharge of blood, as from a ruptured blood vessel; bleeding.
- hemorrhoidal — Usually, hemorrhoids. Pathology. an abnormally enlarged vein mainly due to a persistent increase in venous pressure, occurring inside the anal sphincter of the rectum and beneath the mucous membrane (internal hemorrhoid) or outside the anal sphincter and beneath the surface of the anal skin (external hemorrhoid)
- hereditament — any inheritable estate or interest in property.
- hermetically — so as to be airtight: hermetically sealed.