12-letter words containing a, p, o, r
- 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.
- gold therapy — administration of gold salts as a treatment for disease, especially rheumatoid arthritis.
- gonadotropic — pertaining to substances formed in the anterior pituitary gland that affect the activity of the ovary or testis.
- gonadotropin — a gonadotropic substance.
- gopher snake — a bullsnake, Pituophis melanoleucus, of western North America, that invades burrows to prey on rodents.
- gopher state — Minnesota (used as a nickname).
- grace hopper — (person) US Navy Rear Admiral Grace Brewster Hopper (1906-12-09 to 1992-01-01), née Grace Brewster Murray. Hopper is believed to have concieved the concept of the compiler with the A-0 in 1952. She also developed the first commercial high-level language, which eventually evolved into COBOL. She worked on the Mark I computer with Howard Aiken and with BINAC in 1949. She is credited with having coined the term "debug", and the adage "it is always easier to ask forgiveness than it is to get permission" (with various wordings), which has been the guiding principle in sysadmin decisions ever since. See also the entries debug and bug. Hopper is buried at Arlington National Cemetery. In 1994, the US Navy named a new ship, the guided-missile destroyer USS Hopper, after her.
- grace period — a period of time after a payment becomes due, as of a loan or life-insurance premium, before one is subject to penalties or late charges or before the loan or policy is canceled.
- gramophonist — a person who uses a gramophone
- grana padano — a rich semifat hard cheese with a granular texture, often used grated, esp on pasta dishes and soups
- graph theory — the branch of mathematics dealing with linear graphs.
- graphologist — the study of handwriting, especially when regarded as an expression of the writer's character, personality, abilities, etc.
- graphophobia — Fear or dislike of writing.
- graphophonic — a phonograph for recording and reproducing sounds on wax records.
- grapple shot — a grapnellike projectile fired from a gun and used as a hold for the end of a line in rescue operations or in kedging.
- grass sponge — a large, dark brown, commercial sponge, Spongia graminea, of Florida, the West Indies, and the Gulf of Mexico.
- grasshoppers — Plural form of grasshopper.
- gravitropism — (biology, botany) a plant's ability to change its growth in response to gravity.
- greasy spoon — a cheap and rather unsanitary restaurant.
- ground plane — (in perspective drawing) the theoretical horizontal plane receding from the picture plane to the horizon, beginning at the level of the base line.
- ground plate — Electricity. a metal plate for making a ground connection to the earth.
- gymnocarpous — (of a fungus or lichen) having the apothecium open and attached to the surface of the thallus.
- gypsum board — wallboard composed primarily of gypsum and often used as sheathing.
- haemoprotein — Alternative spelling of hemoprotein.
- hagiographer — one of the writers of the Hagiographa.
- hagiographic — Of or pertaining to hagiography.
- hall process — a process in which aluminum is refined by electrolytic reduction of alumina fused with cryolite.
- handypersons — Plural form of handyperson.
- hanover park — a city in NE Illinois.
- harmonograph — an instrument using a system of pendulums to produce geometric images
- harper woods — a city in SE Michigan, near Detroit.
- harpsichords — Plural form of harpsichord.
- 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.
- helicographs — Plural form of helicograph.
- 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.
- heliotherapy — treatment of disease by means of sunlight.
- heptahedrons — Plural form of heptahedron.
- hernioplasty — an operation for the repair of a hernia.
- herpetofauna — the reptiles and amphibians that inhabit a given area
- heterography — spelling different from that in current use.
- 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.
- heterotopias — Plural form of heterotopia.
- hierographer — a writer of hierographs