13-letter words containing s, o, r, i, t
- heterogenesis — Also, heterogeny [het-uh-roj-uh-nee] /ˌhɛt əˈrɒdʒ ə ni/ (Show IPA). alternation of generations, especially the alternation of parthenogenetic and sexual generations.
- heteroglossia — (linguistics) the coexistence of distinct varieties within a single linguistic code.
- heteroplastic — the repair of lesions with tissue from another individual or species.
- heterostylism — the condition of being heterostyled
- heterozygosis — the state of being a heterozygote.
- hieroglyphist — a person who studies hieroglyphics; hieroglyphologist.
- hippo zarytus — ancient name of Bizerte.
- histiophoroid — of or relating to the sailfish
- histogramming — (mathematics) The construction of histograms.
- historicizing — Present participle of historicize.
- histrionicism — histrionic behaviour or acts
- 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.
- 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).
- 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-trading — to bargain or trade shrewdly.
- hortus siccus — a collection of dried plants; herbarium.
- hospital care — medical treatment provided in a hospital
- 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.
- 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.
- how's tricks? — how are you?
- hudson strait — a strait connecting Hudson Bay and the Atlantic. 450 miles (725 km) long; 100 miles (160 km) wide.
- hunting sword — a short, light saber of the 18th century, having a straight or slightly curved blade.
- hybridisation — Alternative form of hybridization.
- hydrarthrosis — a build-up of fluid or water in the cavity of a joint, esp the knee joint
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hydrostatical — Alternative form of hydrostatic.
- hydrosulphite — hyposulfite (def 1).
- hypercautious — Especially or unreasonably cautious.
- hypertrophies — Plural form of hypertrophy.
- hypochlorites — Plural form of hypochlorite.
- hyposecretion — a diminished secretion.
- 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
- i-proposition — a particular affirmative proposition
- ichthyosaurus — ichthyosaur.
- idiosyncratic — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
- idiot strings — strings attached to children's mittens to prevent the wearer from losing them