12-letter words containing o, d, p, r, i
- dow compiler — An early system on the Datatron 200 series.
- drapetomania — (dated) an overwhelming urge to run away (from home, a bad situation, responsibility, etc.).
- drop a brick — a block of clay hardened by drying in the sun or burning in a kiln, and used for building, paving, etc.: traditionally, in the U.S., a rectangle 2.25 × 3.75 × 8 inches (5.7 × 9.5 × 20.3 cm), red, brown, or yellow in color.
- drop biscuit — a biscuit made by dropping baking powder biscuit dough from a spoon onto a pan for baking.
- drop curtain — a curtain that is lowered into position from the flies.
- drop forging — a product made by drop-forging
- drop initial — inset initial.
- drop shipper — a wholesaler or distributor who conducts business in drop shipments.
- dryopithecus — an extinct genus of generalized hominoids that lived in Europe and Africa during the Miocene Epoch and whose members are characterized by small molars and incisors.
- endomorphism — changes in a cooling body of igneous rock brought about by assimilation of fragments of, or chemical reaction with, the surrounding country rock
- endoparasite — A parasite, such as a tapeworm, that lives inside its host.
- endoperoxide — one of the substances formed in the biosynthesis of prostaglandins
- export drive — a united effort to increase a country's exports
- expropriated — Simple past tense and past participle of expropriate.
- extemporised — Simple past tense and past participle of extemporise.
- extemporized — Simple past tense and past participle of extemporize.
- field sports — sports carried on in the open countryside, such as hunting, shooting, or fishing
- floppy drive — disk drive
- 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.
- fortified pa — a Māori hilltop dwelling with trenches and palisades for defensive occupation
- fried potato — Fried potatoes are pieces of potato cooked in oil or fat.
- giant powder — dynamite composed of nitroglycerin and kieselguhr.
- glycerolipid — (organic chemistry) Any lipid based on glycerol.
- gonadotropic — pertaining to substances formed in the anterior pituitary gland that affect the activity of the ovary or testis.
- gonadotropin — a gonadotropic substance.
- 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.
- harpsichords — Plural form of harpsichord.
- helicoptered — Simple past tense and past participle of helicopter.
- heliographed — Simple past tense and past participle of heliograph.
- hemispheroid — half of a spheroid.
- heteroploidy — (genetics) The state of being heteroploid.
- hidropoiesis — the production of sweat.
- high-powered — extremely energetic, dynamic, and capable: high-powered executives.
- hippodroming — (baseball) present participle of hippodrome; Staging games to suit gamblers, especially baseball.
- his-lordship — (often initial capital letter) a term of respect used when speaking of or to certain noblemen (usually preceded by his or your).
- horned viper — a highly venomous viper, Cerastes cerastes, of northern Africa and extreme southwestern Asia, having a process resembling a horn just above each eye.
- horsewhipped — Simple past tense and past participle of horsewhip.
- house spider — any largish dark spider of the genus Tegenaria that is common in houses, such as the cardinal spider
- hydrographic — the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
- hydromorphic — of or relating to soil having characteristics that are developed when there is excess water all or part of the time.
- hydrophilite — a white mineral consisting of potassium and calcium
- hydrophilous — pollinated by the agency of water.
- hydroplaning — a seaplane.
- hydrosalpinx — A distally blocked Fallopian tube filled with serous or clear fluid.
- hydrotropism — oriented growth in response to water.
- hyperbolised — to use hyperbole; exaggerate.
- hyperbolized — Simple past tense and past participle of hyperbolize.
- hyperboloids — Plural form of hyperboloid.
- hyperidrosis — excessive or abnormal sweating
- hyperthyroid — of, relating to, or having hyperthyroidism.