13-letter words containing t, s, h, o, m
- histogramming — (mathematics) The construction of histograms.
- histrionicism — histrionic behaviour or acts
- home comforts — things in a house that make it comfortable
- home counties — The Home Counties are the counties which surround London.
- home straight — the section of a racecourse forming the approach to the finish
- homeothermous — remaining at an almost constant temperature
- homestead act — a special act of Congress (1862) that made public lands in the West available to settlers without payment, usually in lots of 160 acres, to be used as farms.
- homestead law — any law exempting homesteads from seizure or sale for debt.
- homoeroticism — a tendency to be sexually aroused by a member of the same sex.
- homogeneities — Plural form of homogeneity.
- homoscedastic — having the same variance.
- homosexuality — sexual desire or behavior directed toward a person or persons of one's own sex.
- honey stomach — the crop of an ant, bee, or other hymenopterous insect, serving as a reservoir for honeydew and nectar, especially the enlarged crop of a honeybee in which nectar is acted on by enzymes to form honey.
- horse's mouth — horse (def 36).
- host computer — the main computer in a network: controls or performs certain functions for other computers.
- hothouse lamb — a lamb born in the fall or early winter, usually reared indoors, specially fed, and marketed when from 9 to 16 weeks of age.
- housemistress — A female teacher in charge of a dormitory at a boarding school.
- hunter's moon — the first full moon following the harvest moon in late September or early October.
- hymenopterans — Plural form of hymenopteran.
- hymenopterous — belonging or pertaining to the Hymenoptera, an order of insects having, when winged, four membranous wings, and comprising the wasps, bees, ants, ichneumon flies, and sawflies.
- hypsometrical — Of or pertaining to hypsometry.
- hysterotomies — Plural form of hysterotomy.
- hystricomorph — any rodent of the suborder Hystricomorpha, which includes porcupines, cavies, agoutis, and chinchillas
- immunochemist — A chemist whose speciality is immunochemistry.
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isodrosotherm — a line on a weather map or chart connecting points having an equal dew point.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- katharometers — Plural form of katharometer.
- kathenotheism — Belief that multiple deities exist, and different deities are supreme among them at different times.
- lighthouseman — a lighthouse keeper
- lightsomeness — (archaic) The quality of being lightsome.
- lithesomeness — the quality of being flexible and supple
- loathsomeness — The property or nature that gives rise to revulsion, that inspires loathing.
- lymphatolysis — destruction of lymphatic vessels or of lymphoid tissue.
- lymphoblastic — (US, cytology, immunology) Of or pertaining to a lymphoblast.
- lymphocytosis — an abnormal increase in the number of lymphocytes in the blood.
- lymphomatosis — lymphoma spread throughout the body.
- magnet school — a public school with special programs and instruction that are not available elsewhere in a school district and that are specially designed to draw students from throughout a district, especially to aid in desegregation.
- magnetographs — Plural form of magnetograph.
- magnetosheath — the region between the magnetopause of the earth or of some other planet and the shock front caused by the solar wind.
- magnetosphere — the outer region of the earth's ionosphere, where the earth's magnetic field controls the motion of charged particles, as in the Van Allen belts. Compare magnetopause.
- marsh trefoil — buck bean.
- marx brothers — the. a US family of film comedians, esp Arthur Marx, known as Harpo (1888–1964), Herbert Marx, known as Zeppo (1901–79), Julius Marx, known as Groucho (1890–1977), and Leonard Marx, known as Chico (1886–1961). Their films include Animal Crackers (1930), Monkey Business (1931), Horsefeathers (1932), Duck Soup (1933), and A Day at the Races (1937)
- mastigophoran — Also, mastigophore [mas-ti-guh-fawr, -fohr] /ˈmæs tɪ gəˌfɔr, -ˌfoʊr/ (Show IPA). a protozoan of the phylum Mastigophora.
- mastigophoric — Carrying or wielding a whip.
- mechanisation — Alternative spelling of mechanization.
- meeting house — a house or building for religious worship.
- meeting-house — a house or building for religious worship.
- meetinghouses — Plural form of meetinghouse.
- merrythoughts — Plural form of merrythought.