13-letter words containing a, s, h, m, o
- haematogenous — producing blood
- haematologist — A scientist, usually a medical doctor, who specializes in haematology.
- haemodialyses — Plural form of haemodialysis.
- haemodialysis — (medicine) the use of dialysis to remove waste products from the blood in the case of kidney failure.
- haemodynamics — a branch of physiology that deals with the circulation of the blood
- hampton roads — a channel in SE Virginia between the mouth of the James River and Chesapeake Bay: battle between the Monitor and the Virginia 1862.
- handsome lake — 1735-1815; Seneca prophet, social reformer, & founder of a North American Indian religion named after him
- harbor master — an official who supervises operations in a harbor area and administers its rules.
- harbourmaster — (British, Canada, nautical) An official responsible for the enforcement of regulations in a port.
- harmonisation — (British spelling) alternative spelling of harmonization.
- harvest mouse — an Old World field mouse, Micromys minutus, that builds a spherical nest among the stems of grains and other plants.
- he's your man — he's the person needed (for a particular task, role, job, etc)
- head of steam — momentum; driving power
- hematogenesis — hematopoiesis.
- hematologists — Plural form of hematologist.
- hematophagous — feeding on blood, as the vampire bat.
- hematopoiesis — the formation of blood.
- hematosalpinx — (medicine) A medical condition involving bleeding into the Fallopian tubes.
- hemichordates — Plural form of hemichordate.
- hemocytoblast — a primordial cell capable of developing into any type of blood cell.
- hepatectomies — Plural form of hepatectomy.
- hermaphrodism — the condition of being a hermaphrodite.
- hermosa beach — a city in SW California, near Los Angeles.
- heterogametes — Plural form of heterogamete.
- histochemical — the branch of science dealing with the chemical components of cellular and subcellular tissue.
- histogramming — (mathematics) The construction of histograms.
- holidaymakers — Plural form of holidaymaker.
- home assembly — assembly at home of something supplied in pieces
- home invasion — an act or instance of entering an occupied residence with the intent to commit a burglary or other crime.
- home straight — the section of a racecourse forming the approach to the finish
- 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.
- homoscedastic — having the same variance.
- homosexualism — A sexual attraction to (or sexual relations with) individuals of the same sex.
- 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.
- hopkinsianism — a modified Calvinism taught by Samuel Hopkins (1721–1803), that emphasized the sovereignty of God, the importance of His decrees, and the necessity of submitting to His will, accepting even damnation, if required, for His glory, and holding that ethics is merely disinterested benevolence.
- 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.
- house manager — a business manager responsible for managing a theater and its staff.
- house-warming — a party to celebrate a person's or family's move to a new home.
- housewarmings — Plural form of housewarming.
- hydrodynamics — the branch of fluid dynamics that deals with liquids, including hydrostatics and hydrokinetics.
- hymenopterans — Plural form of hymenopteran.
- hypermegasoma — gigantism.
- hypsometrical — Of or pertaining to hypsometry.
- ides of march — 15th March: ominous date
- isobathytherm — a line on a chart or diagram of a body of water, connecting depths having the same temperature.
- isothermobath — a line drawn on a diagram of a vertical section of the ocean connecting all points having equal temperature.
- john marshall — Alfred, 1842–1924, English economist.
- katharometers — Plural form of katharometer.