12-letter words containing a, e, r, o, t, h
- headforemost — headfirst (def 1).
- headstrongly — In a headstrong manner.
- heart of oak — a brave person
- hearthstones — Plural form of hearthstone.
- heartstopper — something so frightening or emotionally gripping as to make one's heart seem to stop beating: We didn't crash, but it was a heartstopper.
- helicobacter — Any member of the Helicobacter bacteria.
- heliotherapy — treatment of disease by means of sunlight.
- hemarthrosis — (pathology) bleeding in the joints.
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- heptahedrons — Plural form of heptahedron.
- here to stay — If you say that something is here to stay, you mean that people have accepted it and it has become a part of everyday life.
- hernioplasty — an operation for the repair of a hernia.
- herpetofauna — the reptiles and amphibians that inhabit a given area
- herring boat — a fishing boat that specializes in catching herring
- heteroblasty — the morphological changes that occur in plants between juvenility and adulthood
- heterocercal — having an unequally divided tail, characteristic of sharks, rays, and skates.
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heterogamete — either of a pair of conjugating gametes differing in form, size, structure, or sex.
- heterogamety — the condition or state of being heterogametic
- heterogamous — Genetics. having unlike gametes, or reproducing by the union of such gametes (opposed to isogamous).
- heterografts — Plural form of heterograft.
- heterography — spelling different from that in current use.
- heterokaryon — a cell containing two or more nuclei of differing genetic constitutions.
- heterokontan — of or relating to a heterokont
- heteroousian — a person who believes the Father and the Son to be unlike in substance or essence; an Arian (opposed to Homoousian).
- heterophobia — Fear or resentment of what is different.
- heterophoria — a latent strabismus of one or both eyes.
- heteroplasia — the replacement of normal cells by abnormal cells, as in cancer.
- heteroplasty — the repair of lesions with tissue from another individual or species.
- heteropteran — A bug of the group Heteroptera.
- heterosexual — of, relating to, or exhibiting heterosexuality.
- heterosocial — relating to or denoting mixed-sex social relationships
- heterotactic — of, relating to, or characterized by heterotaxis.
- heterothally — the condition of being heterothallic
- heterotopias — Plural form of heterotopia.
- hexobarbital — a barbiturate with hypnotic and sedative properties
- hibernations — Plural form of hibernation.
- hierogrammat — a writer of hierograms.
- hierophantic — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- high treason — treason against the sovereign or state.
- hippocentaur — Centaur.
- hit the road — a long, narrow stretch with a smoothed or paved surface, made for traveling by motor vehicle, carriage, etc., between two or more points; street or highway.
- holkar state — a former state of central India, ruled by the Holkar dynasty of Maratha rulers of Indore (18th century until 1947)
- home teacher — private tutor
- home theater — big-screen TV setup
- homeotherapy — therapy for a disease by means of an agent that is similar to but not identical with the causative agent of the disease.
- homeothermal — homoiothermal.
- homesteaders — Plural form of homesteader.
- horatian ode — an ode consisting of several stanzas all of the same form.
- horn antenna — a microwave aerial, formed by flaring out the end of a waveguide