12-letter words containing p, o, i, r
- high-protein — (of a food) rich in proteins
- hippo regius — a seaport of ancient Numidia: St. Augustine was bishop here a.d. 395–430; the site of modern Annaba, in Algeria.
- hippocentaur — Centaur.
- hippocrepian — (of an aquatic organism or plant) shaped like a horseshoe
- hippodroming — (baseball) present participle of hippodrome; Staging games to suit gamblers, especially baseball.
- hire company — a company that hires things out to people
- his-lordship — (often initial capital letter) a term of respect used when speaking of or to certain noblemen (usually preceded by his or your).
- histographic — a treatise on or description of organic tissues.
- holophrastic — using or consisting of a single word that functions as a phrase or sentence.
- holy picture — a picture of a person or thing that is of religious importance
- homeomorphic — similarity in crystalline form but not necessarily in chemical composition.
- homomorphism — Biology. correspondence in form or external appearance but not in type of structure or origin.
- horned viper — a highly venomous viper, Cerastes cerastes, of northern Africa and extreme southwestern Asia, having a process resembling a horn just above each eye.
- horse pistol — a large pistol formerly carried by horsemen.
- horsemanship — the art, ability, skill, or manner of a horseman.
- horsewhipped — Simple past tense and past participle of horsewhip.
- house prices — the sums in money for which houses may be bought or sold
- house spider — any largish dark spider of the genus Tegenaria that is common in houses, such as the cardinal spider
- housepainter — A professional painter of houses.
- hyannis port — a town in SE Massachusetts, on Nantucket Sound: summer resort.
- hydrographic — the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
- hydromorphic — of or relating to soil having characteristics that are developed when there is excess water all or part of the time.
- hydrophilite — a white mineral consisting of potassium and calcium
- hydrophilous — pollinated by the agency of water.
- hydroplaning — a seaplane.
- hydrosalpinx — A distally blocked Fallopian tube filled with serous or clear fluid.
- hydrotropism — oriented growth in response to water.
- hygrographic — of or relating to a hygrograph
- hygrophilous — a plant that thrives in wet or very moist ground.
- hylomorphism — the theory that every physical object is composed of two principles, an unchanging prime matter and a form deprived of actuality with every substantial change of the object.
- hyper-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- hyperbolical — having the nature of hyperbole; exaggerated.
- hyperbolised — to use hyperbole; exaggerate.
- hyperbolized — Simple past tense and past participle of hyperbolize.
- hyperboloids — Plural form of hyperboloid.
- hyperchaotic — Of or pertaining to hyperchaos.
- hyperchromic — (physics, chemistry) Describing an increase in the intensity of a spectral band due to a change in the molecular environment.
- hyperfiction — nonlinear fiction created in electronic hypertext form and containing multiple plot developments, endings, etc., that can be evoked interactively.
- hyperflexion — Anatomy. the act of bending a limb. the position that a limb assumes when it is bent.
- hyperidrosis — excessive or abnormal sweating
- hyperlogical — reasoning in accordance with the principles of logic, as a person or the mind: logical thinking.
- hyperostosis — abnormal development of bony tissue.
- hypersomniac — a tendency to sleep excessively.
- hypertension — Pathology. elevation of the blood pressure, especially the diastolic pressure. an arterial disease characterized by this condition.
- hyperthyroid — of, relating to, or having hyperthyroidism.
- hypertrophic — abnormal enlargement of a part or organ; excessive growth.
- hypervolemia — (medicine) An abnormal increase in the volume of blood circulating through the body.
- hypoallergic — Hypoallergenic.
- hypochloride — Misspelling of hypochlorite.
- hypochlorite — a salt or ester of hypochlorous acid.