12-letter words containing t, h, i, o
- heroic tenor — a tenor with a dramatic voice
- herpetologic — Alternative form of herpetological.
- herring boat — a fishing boat that specializes in catching herring
- hessian boot — a knee-high tasseled boot, fashionable in England in the early 19th century.
- heteroclisis — (grammar) The presence of two or more classes of inflection in the inflectional paradigm of a noun, verb etc.
- heteroclites — Plural form of heteroclite.
- heteroclitic — (linguistics) In linguistics, particularly Indo-European Studies, signifying a stem which alternates between more than one form when declined for grammatical case. Examples of heteroclitic noun stems in Proto-Indo-European include '*wod-r/n-'
- heterocyclic — of or relating to the branch of chemistry dealing with cyclic compounds in which at least one of the ring members is not a carbon atom (contrasted with homocyclic).
- heterodoxies — Plural form of heterodoxy.
- heterodyning — Present participle of heterodyne.
- heteroecious — the development of different stages of a parasitic species on different host plants.
- heteroleptic — (chemistry) Describing an organometallic compound having two or more types of ligand.
- heteroousian — a person who believes the Father and the Son to be unlike in substance or essence; an Arian (opposed to Homoousian).
- heterophilic — Also, heterophilic. Immunology. (of an antibody) having an affinity for an antigen other than its specific antigen.
- heterophobia — Fear or resentment of what is different.
- heterophonic — the simultaneous performance of the same melodic line, with slight individual variations, by two or more performers.
- heterophoria — a latent strabismus of one or both eyes.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heteroploidy — (genetics) The state of being heteroploid.
- heterosexism — a prejudiced attitude or discriminatory practices against homosexuals by heterosexuals.
- heterosexist — a prejudiced attitude or discriminatory practices against homosexuals by heterosexuals.
- heterosocial — relating to or denoting mixed-sex social relationships
- heterotactic — of, relating to, or characterized by heterotaxis.
- heterotopias — Plural form of heterotopia.
- hexobarbital — a barbiturate with hypnotic and sedative properties
- hibernations — Plural form of hibernation.
- hidrocystoma — An adenoma of the sweat glands.
- hierogrammat — a writer of hierograms.
- hierophantic — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- high concept — a simple and often striking idea or premise, as of a story or film, that lends itself to easy promotion and marketing.
- high country — a mountainous area below the timberline; a forested mountain area.
- high society — society (def 9).
- high treason — treason against the sovereign or state.
- high voltage — high-power electricity
- high-context — preferring to communicate in person, rather than by electronic methods such as email
- high-protein — (of a food) rich in proteins
- high-tension — subjected to or capable of operating under relatively high voltage: high-tension wire.
- high-voltage — operating on or powered by high voltage: a high-voltage generator.
- high-wrought — highly agitated; overwrought.
- hiking boots — stout, sturdy boots, suitable for hiking in
- hill country — hilly area
- hill station — a village, post, or the like, especially in S Asia, at a high altitude where government officials and others can be stationed to escape the great heat of tropical summers.
- hindforemost — with the back part in the front place
- hippocentaur — Centaur.
- hippophagist — a person who eats horseflesh.
- hippopotamic — like, of, or relating to a hippopotamus
- hippopotamus — a large herbivorous mammal, Hippopotamus amphibius, having a thick hairless body, short legs, and a large head and muzzle, found in and near the rivers, lakes, etc., of Africa, and able to remain under water for a considerable time.
- histiocytoma — A tumour consisting of histiocytes.
- histochemist — someone who specializes in histochemistry
- histogenesis — the origin and development of tissues.