13-letter words containing m, i, s, h, t
- helminthiasis — a disease caused by parasitic worms in the intestines.
- hematogenesis — hematopoiesis.
- hematologists — Plural form of hematologist.
- hematopoiesis — the formation of blood.
- hematosalpinx — (medicine) A medical condition involving bleeding into the Fallopian tubes.
- hemichordates — Plural form of hemichordate.
- hemiparasitic — Semiparasitic.
- hepatectomies — Plural form of hepatectomy.
- hereditaments — Plural form of hereditament.
- hermit thrush — a North American thrush, Hylocichla guttata, noted for its complex and appealing song.
- hetero-sexism — a prejudiced attitude or discriminatory practices against homosexuals by heterosexuals.
- heterostylism — the condition of being heterostyled
- hexadactylism — Sexdactyly.
- histaminergic — releasing histamine
- histochemical — the branch of science dealing with the chemical components of cellular and subcellular tissue.
- histogramming — (mathematics) The construction of histograms.
- histrionicism — histrionic behaviour or acts
- home counties — The Home Counties are the counties which surround London.
- home straight — the section of a racecourse forming the approach to the finish
- 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.
- housemistress — A female teacher in charge of a dormitory at a boarding school.
- humanitarians — Plural form of humanitarian.
- hybrid system — a way of working, organizing, or doing something that is composed of elements of two separate systems
- 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.
- 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
- lymphadenitis — inflammation of a lymphatic gland.
- 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.
- machine-steel — low-carbon steel that can be easily machined.
- malthusianism — of or relating to the theories of T. R. Malthus, which state that population tends to increase faster, at a geometrical ratio, than the means of subsistence, which increases at an arithmetical ratio, and that this will result in an inadequate supply of the goods supporting life unless war, famine, or disease reduces the population or the increase of population is checked.
- mantis shrimp — any stomatopod crustacean having a pair of appendages modified for grasping prey and resembling those of a mantis.
- maple heights — a city in NE Ohio.
- maria theresa — 1717–80, archduchess of Austria; queen of Hungary and Bohemia 1740–80 (wife of Francis II; mother of Joseph II, Leopold II, Marie Antoinette).
- marsh trefoil — buck bean.
- mass hysteria — a condition affecting a group of persons, characterized by excitement or anxiety, irrational behavior or beliefs, or inexplicable symptoms of illness.
- master switch — a switch that can be used to turn on or off the supply of electricity to a building or to certain equipment