13-letter words containing r, i, o, t
- 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.
- hybridization — to cause to produce hybrids; cross.
- hydrarthrosis — a build-up of fluid or water in the cavity of a joint, esp the knee joint
- hydroboration — (chemistry) the production or organoboranes by the addition of diborane to unsaturated organic compounds.
- hydroelectric — pertaining to the generation and distribution of electricity derived from the energy of falling water or any other hydraulic source.
- hydrogenating — Present participle of hydrogenate.
- hydrogenation — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hydronitrogen — a chemical compound containing only hydrogen and nitrogen.
- hydropathical — Alternative form of hydropathic.
- hydrostatical — Alternative form of hydrostatic.
- hydrosulphite — hyposulfite (def 1).
- hydrotelluric — (chemistry) Formed by hydrogen and tellurium.
- hydroxylation — (organic chemistry) The introduction of a hydroxyl group into a molecule, especially by the replacement of a hydrogen atom.
- hygrometrical — Alternative form of hygrometric.
- hypercautious — Especially or unreasonably cautious.
- hypercyanotic — blueness or lividness of the skin, as from imperfectly oxygenated blood.
- hyperdicrotic — having or pertaining to a double beat of the pulse for each beat of the heart.
- hyperfunction — abnormally increased function, especially of glands or other organs.
- hypermetropia — a condition of the eye in which parallel rays are focused behind the retina, distant objects being seen more distinctly than near ones; farsightedness (opposed to myopia).
- hypermetropic — Exhibiting or relating to hypermetropia.
- hypermobility — An excess amount of elasticity in a bodily joint.
- hypermorality — conformity to the rules of right conduct; moral or virtuous conduct.
- hypermotility — excessive motility of the stomach or intestine (opposed to hypomotility).
- hypermutation — (uncountable) Frequent mutation.
- hyperrational — characterized by excessive rationality
- hyperromantic — extremely or excessively romantic
- hypertonicity — Physiology. of or relating to hypertonia.
- hypertoxicity — the quality, relative degree, or specific degree of being toxic or poisonous: to determine the toxicity of arsenic.
- hypertrophied — abnormal enlargement of a part or organ; excessive growth.
- hypertrophies — Plural form of hypertrophy.
- hypervelocity — extremely high velocity, as of projectiles, space vehicles, or accelerated nuclear particles.
- hypnobirthing — the use of hypnotic techniques during labour by an expectant mother to reduce the pain and emotional stress of delivery
- hypochlorites — Plural form of hypochlorite.
- hypohydration — Dehydration.
- hyponatraemia — a condition in which there is a low concentration of sodium in the blood
- hyposecretion — a diminished secretion.
- hypsometrical — Of or pertaining to hypsometry.