13-letter words containing r, o, t, u
- group captain — an officer holding commissioned rank senior to a wing commander but junior to an air commodore in the RAF and certain other air forces
- group therapy — psychotherapy in which a number of patients discuss their problems together, usually under the leadership of a therapist, using shared knowledge and experiences to provide constructive feedback about maladaptive behavior.
- gubernatorial — of or relating to a state governor or the office of state governor.
- gunpowder tea — an explosive mixture, as of potassium nitrate, sulfur, and charcoal, used in shells and cartridges, in fireworks, for blasting, etc.
- hallucinatory — pertaining to or characterized by hallucination: hallucinatory visions.
- halobacterium — Any of various extremophiles, of genus Halobacterium, found in water saturated or nearly saturated with salt.
- harbourmaster — (British, Canada, nautical) An official responsible for the enforcement of regulations in a port.
- harold burton — Harold Hitz [hits] /hɪts/ (Show IPA), 1888–1964, associate justice of the U.S. Supreme Court 1945–58.
- harry hotspur — the nickname of Sir Henry Percy
- hart's-tongue — a fern, Phyllitis scolopendrium, having long, leathery, wavy-edged leaves.
- haruspication — the use of animal entrails for divination
- harvest mouse — an Old World field mouse, Micromys minutus, that builds a spherical nest among the stems of grains and other plants.
- haute couture — high fashion; the most fashionable and influential dressmaking and designing.
- haute-garonne — a department in S France. 2458 sq. mi. (6365 sq. km). Capital: Toulouse.
- heart surgeon — a surgeon who specializes in performing operations on the heart
- heart trouble — cardiac condition
- hepatojugular — (medicine) Relating to the liver and the jugular vein.
- here document — (operating system) Data included in a Unix shell script or Perl script using the "<<" syntax.
- heterocarpous — (of a plant) producing more than one type of fruit
- heteroclitous — heteroclite
- heterocystous — containing or relating to heterocysts
- heterogeneous — different in kind; unlike; incongruous.
- heteropterous — belonging or pertaining to the Heteroptera, in some classifications a suborder of hemipterous insects comprising the true bugs.
- heterosexuals — Plural form of heterosexual.
- heterosporous — having more than one kind of spore.
- hippo zarytus — ancient name of Bizerte.
- holy saturday — the Saturday in Holy Week.
- holy thursday — Ascension Day.
- home computer — a personal computer used in the home.
- homeothermous — remaining at an almost constant temperature
- honour bright — an exclamation pledging honour
- honourability — A state or condition or being honourable.
- horror-struck — stricken with horror; horrified; aghast.
- horse's mouth — horse (def 36).
- horticultural — the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants.
- hortus siccus — a collection of dried plants; herbarium.
- host computer — the main computer in a network: controls or performs certain functions for other computers.
- hot cross bun — a bun with a cross of frosting on it, eaten chiefly during Lent.
- house cricket — a dark brown cricket, Acheta domesticus, having a light-colored head with dark crossbands, commonly occurring throughout North America and Europe, where it may be an indoor pest.
- house painter — a person whose occupation is painting houses.
- house trailer — a trailer fitted with accommodations for sleeping, eating, washing, etc.
- house-trained — housebroken.
- housed string — a string of a stair (housed stair) receiving the ends of the risers or treads in a series of housings.
- household art — any of the skills necessary to the efficient running of a household, as cooking or keeping a family budget.
- housemistress — A female teacher in charge of a dormitory at a boarding school.
- housepainters — Plural form of housepainter.
- housetraining — Present participle of housetrain.
- housing start — an instance of beginning the construction of a dwelling.
- hudson strait — a strait connecting Hudson Bay and the Atlantic. 450 miles (725 km) long; 100 miles (160 km) wide.
- hunt saboteur — A hunt saboteur is someone who tries to stop a hunt from taking place or being successful because they believe it is cruel to the animal being hunted.