12-letter words containing m, a, h, r, s
- gametophores — Plural form of gametophore.
- garnishments — Plural form of garnishment.
- german sixth — (in musical harmony) an augmented sixth chord having a major third and a perfect fifth between the root and the augmented sixth
- graham's law — the principle that the rates of diffusion and effusion of a gas are inversely proportional to the square root of its density, proposed by Thomas Graham (1805-69) in 1831
- gramophonist — a person who uses a gramophone
- grandmothers — Plural form of grandmother.
- granny smith — a variety of crisp, green-skinned apple, for eating raw or for cooking.
- 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.
- haemorrhages — Plural form of haemorrhage.
- haemorrhoids — Plural form of haemorrhoid.
- haemosiderin — Alternative form of hemosiderin.
- half measure — If someone refers to policies or actions as half measures, they are critical of them because they think that they are not forceful enough and are therefore of little value.
- hamarthritis — a swollen and painful condition that can affect all the joints
- hammarskjold — Dag Hjalmar [dahg yahl-mahr] /dɑg ˈyɑl mɑr/ (Show IPA), 1905–61, Swedish statesman: Secretary General of the United Nations 1953–61; Nobel Peace Prize 1961.
- hamstringing — Present participle of hamstring.
- harbormaster — A harbormaster is the official in charge of a harbor.
- harmlessness — The characteristic of being harmless; the absence of harm.
- harmoniously — marked by agreement in feeling, attitude, or action: a harmonious group.
- harmoniumist — a person who plays a harmonium
- harum-scarum — reckless; rash; irresponsible: He had a harum-scarum youth.
- harvest home — the bringing home of the harvest.
- harvest mite — chigger (def 1).
- harvest moon — the moon at and about the period of fullness that is nearest to the autumnal equinox.
- harvest time — season when crops are gathered
- headforemost — headfirst (def 1).
- headmasterly — In a manner befitting a headmaster.
- headmistress — a woman in charge of a private school.
- heimskringla — a book of the 13th century narrating the history of the kings of Norway by Snorri Sturluson.
- hellgramites — Plural form of hellgramite.
- hemapheresis — apheresis.
- hemarthrosis — (pathology) bleeding in the joints.
- hemerocallis — the genus comprising the day lilies.
- 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.
- heterogamous — Genetics. having unlike gametes, or reproducing by the union of such gametes (opposed to isogamous).
- hidrocystoma — An adenoma of the sweat glands.
- hiram revels — Hiram Rhoades [rohdz] /roʊdz/ (Show IPA), 1822–1901, U.S. clergyman, educator, and politician: first black senator 1870–71.
- home address — the address of one's house or flat
- homesteaders — Plural form of homesteader.
- horse manure — horse's excrement
- horse marine — (formerly) a marine mounted on horseback or a cavalryman doing duty on shipboard.
- horsemanship — the art, ability, skill, or manner of a horseman.
- house martin — a small European swallow, Delichon urbica, that builds its nest under the eaves of houses.
- housemasters — Plural form of housemaster.
- housewarming — a party to celebrate a person's or family's move to a new home.
- human rights — basic civil freedoms
- human safari — an organized tour that takes tourists to unfamiliar places where they can observe the lifestyle of indigenous or other local people: human safaris to remote tribal communities; a human safari through the slums of Mumbai.
- hydrargyrism — mercurialism.
- hydromedusae — Irregular plural form of hydromedusa.
- hypermarkets — Plural form of hypermarket.