12-letter words containing p, i, e, t, r, o
- fiber optics — the branch of optics that deals with the transmission of light through transparent fibers, as in the form of pulses for the transmission of data or communications, or through fiber bundles for the transmission of images.
- fibre optics — optical fibre
- field sports — sports carried on in the open countryside, such as hunting, shooting, or fishing
- fire support — support given by artillery and aircraft to infantry and armored vehicles.
- first person — the grammatical person used by a speaker in statements referring to himself or herself (first person singular) or to a group including himself or herself (first person plural)
- flavoprotein — an enzyme, containing riboflavin and linked chemically with a protein, active in the oxidation of foods in animal cells.
- fleet prison — (formerly) a London prison, esp used for holding debtors
- fluorapatite — a crystalline mineral, Ca 5 (PO 4) 3 F, formed from hydroxyapatite in the presence of fluoride, that has a hardening effect on bones and teeth.
- foetoprotein — Alternative spelling of fetoprotein.
- fore-topsail — a topsail set on a foremast on a ship.
- foretopsails — Plural form of foretopsail.
- fort pickens — Andrew, 1739–1817, American Revolutionary general.
- fortepianist — the player of a fortepiano
- fortified pa — a Māori hilltop dwelling with trenches and palisades for defensive occupation
- four-striper — a captain in the U.S. Navy.
- freeing port — an opening in the bottom of a bulwark, for rapid drainage of a weather deck in heavy seas; scupper.
- fried potato — Fried potatoes are pieces of potato cooked in oil or fat.
- frontispiece — an illustrated leaf preceding the title page of a book.
- gerontophile — someone who is sexually attracted to old people
- get to grips — to deal with (a problem or subject)
- giant powder — dynamite composed of nitroglycerin and kieselguhr.
- glucoprotein — glycoprotein.
- glycoprotein — any of a group of complex proteins, as mucin, containing a carbohydrate combined with a simple protein.
- haemoprotein — Alternative spelling of hemoprotein.
- helicoptered — Simple past tense and past participle of helicopter.
- heliotherapy — treatment of disease by means of sunlight.
- heliotropism — heliotropic tendency or growth.
- 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.
- hernioplasty — an operation for the repair of a hernia.
- 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.
- hierophantic — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- high-protein — (of a food) rich in proteins
- hippocentaur — Centaur.
- holy picture — a picture of a person or thing that is of religious importance
- horse pistol — a large pistol formerly carried by horsemen.
- housepainter — A professional painter of houses.
- hydrophilite — a white mineral consisting of potassium and calcium
- hyperchaotic — Of or pertaining to hyperchaos.
- hyperfiction — nonlinear fiction created in electronic hypertext form and containing multiple plot developments, endings, etc., that can be evoked interactively.
- hyperostosis — abnormal development of bony tissue.
- 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.