12-letter words containing o, p, y
- factory ship — a whaling ship equipped to process killed whales and to transport the oil and by-products.
- film company — a company dedicated to the making of motion pictures
- fire company — a company of firefighters.
- floppy drive — disk drive
- fluorography — photofluorography.
- fly the coop — an enclosure, cage, or pen, usually with bars or wires, in which fowls or other small animals are confined for fattening, transportation, etc.
- food pyramid — successive levels of predation in a food chain represented schematically as a pyramid because upper levels normally consist of decreasing numbers of larger predators.
- formyl group — the univalent group HCO–, derived from formic acid.
- fosbury flop — a modern high-jumping technique whereby the jumper clears the bar headfirst and backwards
- fosphenytoin — a prodrug that produces phenytoin and is taken to prevent or treat seizures.
- foundry type — type cast in individual characters for setting by hand.
- fowl typhoid — a septicemic disease of fowl, especially chickens, caused by the bacterium Salmonella gallinarum and marked by fever, loss of appetite, thirst, anemic pallor of the skin of the head, and prostration.
- fractography — the study of fractures or cracks in a material, esp metal, in order to predict or identify the cause of a failure in a structure
- free company — a band of free companions.
- fuel poverty — the state of being unable to afford to heat one's home adequately
- galley proof — a proof, originally one set from type in a galley, taken before the material has been made up into pages and usually printed as a single column of type with wide margins for marking corrections.
- gametophytes — Plural form of gametophyte.
- gametophytic — (botany) Of or pertaining to a gametophyte plant.
- gamophyllous — having leaves united by their edges.
- gastroplasty — any plastic surgery on the stomach.
- geophysicist — the branch of geology that deals with the physics of the earth and its atmosphere, including oceanography, seismology, volcanology, and geomagnetism.
- glossography — a glossator.
- glycerolipid — (organic chemistry) Any lipid based on glycerol.
- glycopeptide — any of a group of complex proteins, as mucin, containing a carbohydrate combined with a simple protein.
- glycoprotein — any of a group of complex proteins, as mucin, containing a carbohydrate combined with a simple protein.
- glyphography — a plate-making process in which an electrotype is made from an engraved copper plate
- glyptography — the description or study of engraved gems or other stones.
- god's plenty — an abundant or overabundant quantity.
- gold therapy — administration of gold salts as a treatment for disease, especially rheumatoid arthritis.
- golden syrup — treacle (def 2b).
- graph theory — the branch of mathematics dealing with linear graphs.
- greasy spoon — a cheap and rather unsanitary restaurant.
- group theory — the branch of mathematics that deals with the structure of mathematical groups and mappings between them.
- gymnocarpous — (of a fungus or lichen) having the apothecium open and attached to the surface of the thallus.
- gymnosophist — one of a group of Jainist philosophers, existing from ancient times to c1000, characterized by refusal to wear clothes and the abandonment of caste marks; a member of the Digambara sect.
- gypsum board — wallboard composed primarily of gypsum and often used as sheathing.
- handypersons — Plural form of handyperson.
- happy couple — two people in a happy romantic relationship, especially two people who have just married
- have company — If you have company, you have a visitor or friend with you.
- have pity on — to have sympathy or show mercy for
- hedge hyssop — any plant of the genus Gratiola, a bitter herb used medicinally.
- heliotherapy — treatment of disease by means of sunlight.
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hepatomegaly — an abnormal enlargement of the liver, usually associated with liver disease or heart failure.
- hepatoxicity — Toxicity that affects the liver.
- hernioplasty — an operation for the repair of a hernia.
- heterography — spelling different from that in current use.
- heteromorphy — (biology) The state or quality of being heteromorphic; heteromorphism.
- heteroplasty — the repair of lesions with tissue from another individual or species.
- heteroploidy — (genetics) The state of being heteroploid.