13-letter words containing o, t, s
- histiophoroid — of or relating to the sailfish
- histochemical — the branch of science dealing with the chemical components of cellular and subcellular tissue.
- histodialysis — histolysis.
- histogramming — (mathematics) The construction of histograms.
- historicizing — Present participle of historicize.
- histrionicism — histrionic behaviour or acts
- hit the books — to deal a blow or stroke to: Hit the nail with the hammer.
- hitching post — a post to which horses, mules, etc., are tied.
- holy saturday — the Saturday in Holy Week.
- holy thursday — Ascension Day.
- 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.
- honest broker — a neutral person or organization that mediates disputes; an impartial mediator.
- honest to god — real or genuine.
- honest-to-god — real or genuine.
- 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.
- honor society — (in a college, university, or secondary school) a student society that admits members on the basis of academic merit and, sometimes, worthwhile contributions in extracurricular activities.
- hoosier state — Indiana (used as a nickname).
- hornet's nest — a large amount of activity, trouble, hostility, or animosity: His investigation stirred up a hornet's nest, resulting in major shifts in personnel.
- horror-struck — stricken with horror; horrified; aghast.
- horse gentian — any weedy North American plant of the genus Triosteum, of the honeysuckle family, especially T. perfoliatum, having stalkless leaves and purplish-brown flowers and bearing orange fruits.
- horse stinger — a dragonfly.
- horse trading — the act or fact of conducting a shrewd exchange or engaging in a horse trade; bargaining.
- horse trailer — lorry for transporting a horse
- horse's mouth — horse (def 36).
- horse-trading — to bargain or trade shrewdly.
- horsefeathers — (used with a singular or plural verb) something not worth considering.
- horseshoe bat — any of numerous large-eared Old World insectivorous bats, mostly of the genus Rhinolophus, with a fleshy growth around the nostrils, used in echolocation: family Rhinolophidae
- hortus siccus — a collection of dried plants; herbarium.
- hospitability — The quality of being hospitable.
- hospital bill — the bills incurred for receiving hospital treatment
- hospital care — medical treatment provided in a hospital
- hospital case — a patient that is being, or needs to be, treated in a hospital
- hospital pass — a pass made to a team-mate who will be tackled heavily as soon as the ball is received
- hospital ship — a ship built to serve as a hospital, especially used to treat the wounded in wartime and accorded safe passage by international law.
- hospitalizing — Present participle of hospitalize.
- host an event — If a hotel or organization hosts an event, it provides the facilities for the event to take place.
- host computer — the main computer in a network: controls or performs certain functions for other computers.
- host-specific — capable of living solely on or in one species of host, as a parasite that infests only chickens.
- hostel school — (in Canada) one of a series of boarding schools operated by the federal government in the northern territories for Indian and Eskimo students.
- hot cross bun — a bun with a cross of frosting on it, eaten chiefly during Lent.
- hot gospeller — a person who preaches in a fervent and vocal way, esp in evangelical churches