12-letter words containing c, d, r, o
- french broad — a river in W North Carolina and E Tennessee, flowing N and NW to join the Holston River at Knoxville to form the Tennessee River. 210 miles (338 km) long.
- french doors — a door having glass panes throughout or nearly throughout its length.
- friend-court — amicus curiae.
- frondescence — the process or period of putting forth leaves, as a tree, plant, or the like.
- fudge factor — any variable component added to an experiment, plan, or the like that can be manipulated to allow leeway for error.
- glycerolipid — (organic chemistry) Any lipid based on glycerol.
- go on record — to set down in writing or the like, as for the purpose of preserving evidence.
- go-go dancer — an entertainer who performs popular dances on a stage or platform for the patrons of a discotheque or nightclub.
- goldbricking — Present participle of goldbrick.
- golden perch — a freshwater food fish, Plectroplites ambiguus, that inhabits inland waters of Australia.
- gonadotropic — pertaining to substances formed in the anterior pituitary gland that affect the activity of the ovary or testis.
- 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.
- grade school — an elementary school that has its pupils grouped or classified into grades.
- grand canyon — a gorge of the Colorado River in N Arizona. over 200 miles (320 km) long; 1 mile (1.6 km) deep.
- grand coulee — a dry canyon in central Washington: cut by the Columbia River in the glacial period. 52 miles (84 km) long; over 400 feet (120 meters) deep.
- graving dock — an excavated shore dry dock for the repair and maintenance of ships.
- ground cable — a heavy chain for securing permanent floating moorings, as a number of mooring buoys.
- ground cedar — a ground pine, Lycopodium complanatum.
- ground cloth — groundsheet.
- ground color — Also called ground coat. a primary coat of paint; priming; base coat.
- ground cover — the herbaceous plants and low shrubs in a forest, considered as a whole.
- ground force — a military force that operates on the ground
- ground track — the path on the earth's surface below an aircraft, missile, rocket, or spacecraft.
- half-covered — to be or serve as a covering for; extend over; rest on the surface of: Snow covered the fields.
- harmonichord — a musical instrument resembling an upright piano intended to fuse the sound of a violin with the functionality of a piano, the tone therefore produced using friction rather than through striking
- harpsichords — Plural form of harpsichord.
- helicoptered — Simple past tense and past participle of helicopter.
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- henceforward — from now on; from this point forward.
- heroic drama — Restoration tragedy, especially that popular in England c1660–1700, using highly rhetorical language and written in heroic couplets.
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- hexachloride — a chloride containing six atoms of chlorine.
- hidrocystoma — An adenoma of the sweat glands.
- high-colored — deep in color; vivid.
- historicized — Simple past tense and past participle of historicize.
- horse-doctor — an informal word for a vet who specializes in treating horses
- house doctor — a resident physician in a hospital, hotel, or other public institution.
- hydnocarpate — a salt or ester of hydnocarpic acid.
- hydrocarbons — any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH 4 , an alkene, ethylene, C 2 H 4 , an alkyne, acetylene, C 2 H 2 , or an aromatic compound, benzene, C 6 H 6 .
- hydrocephaly — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- hydrochloric — of or derived from hydrochloric acid.
- hydrocolloid — a substance that forms a colloid when combined with water.
- hydrocooling — the process or technique of arresting the ripening of fruits and vegetables after harvesting by immersion in ice water.
- hydrocracker — a high-pressure processing unit used for hydrocracking.
- hydroculture — A type of hydroponics in which plants are grown in a medium that allows the distribution of water and nutrients through capillary action.
- hydrocyclone — A hydrocyclone is a vessel used for separating two liquids with different densities, by the circular movement of fluid.
- hydrodynamic — pertaining to forces in or motions of liquids.
- hydroecology — The study of support systems in wetlands such as the interactions between water and wildlife habitats.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hydrofluoric — of or derived from hydrofluoric acid.