12-letter words containing i, p, r
- harpsichords — Plural form of harpsichord.
- hebephreniac — a person suffering from hebephrenia
- helicographs — Plural form of helicograph.
- helicoptered — Simple past tense and past participle of helicopter.
- heliographed — Simple past tense and past participle of heliograph.
- heliographer — (obsolete) Photographer.
- heliographic — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- heliospheric — Of or pertaining to the heliosphere.
- heliotherapy — treatment of disease by means of sunlight.
- heliotropism — heliotropic tendency or growth.
- helping verb — auxiliary verb.
- hemapheresis — apheresis.
- hemimorphism — The condition of being hemimorphic.
- hemimorphite — a hydrous zinc silicate mineral, Zn 4 (OH) 2 Si 2 O 7 ⋅H 2 O, occurring in clear, colorless orthorhombic crystals; calamine: an ore of zinc.
- hemiparasite — A plant that obtains or may obtain part of its food by parasitism, e.g., mistletoe, which also photosynthesizes.
- hemispheroid — half of a spheroid.
- hepadnavirus — Any member of the virus family Hepadnaviridae, capable of causing liver infections in humans and animals.
- hephthemimer — a verse with a group of seven metrical half feet
- hernioplasty — an operation for the repair of a hernia.
- hero-worship — to feel or express hero worship for.
- herpetologic — Alternative form of herpetological.
- heteroleptic — (chemistry) Describing an organometallic compound having two or more types of ligand.
- 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.
- heterotopias — Plural form of heterotopia.
- hickory pine — bristlecone pine.
- hidropoiesis — the production of sweat.
- hieroglyphic — Also, hieroglyphical. designating or pertaining to a pictographic script, particularly that of the ancient Egyptians, in which many of the symbols are conventionalized, recognizable pictures of the things represented.
- hierographer — a writer of hierographs
- hierographic — of or relating to hierographs
- hierophanies — Plural form of hierophany.
- hierophantic — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- high polymer — a polymer composed of a large number of monomers.
- high profile — a deliberately conspicuous manner of living or operating.
- high spirits — lively or boisterous mood
- high-powered — extremely energetic, dynamic, and capable: high-powered executives.
- high-profile — prominent publicly
- high-protein — (of a food) rich in proteins
- high-stepper — seeking unrestrained pleasure, as by frequenting night clubs, parties, etc.; leading a wild and fast life: a high-stepping young crowd.
- higher apsis — See under apsis.
- 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).