13-letter words containing k, o, r, b
- pine grosbeak — a large grosbeak, Pinicola enucleator, of coniferous forests of northern North America and Eurasia, the male of which has rose and gray plumage.
- pink bollworm — the larva of a gelechiid moth, Pectinophora gossypiella, that feeds on the seeds of the bolls of cotton and was introduced into cotton-growing regions of the world from Asia.
- pork-barreler — a politician, especially a senator or member of Congress who is party to or benefits from a pork barrel.
- rainbow snake — a burrowing snake, Farancia erytrogramma, of the southeastern U.S., having red and black stripes along the body, a red and yellow underside, and a sharp-tipped tail used in maneuvering prey.
- road-blocking — an obstruction placed across a road, especially of barricades or police cars, for halting or hindering traffic, as to facilitate the capture of a pursued car or inspection for safety violations.
- roanoke bells — a wild plant, Mertensia virginica, of the borage family, native to the eastern U.S., grown as a garden plant for its handsome, nodding clusters of blue flowers.
- rock barnacle — any marine crustacean of the subclass Cirripedia, usually having a calcareous shell, being either stalked (goose barnacle) and attaching itself to ship bottoms and floating timber, or stalkless (rock barnacle or acorn barnacle) and attaching itself to rocks, especially in the intertidal zone.
- rock climbing — the sport of climbing sheer rocky surfaces on the sides of mountains, often with the aid of special equipment.
- rock the boat — to move or sway to and fro or from side to side.
- run on a bank — A run on a bank is a situation in which borrowers are worried that the bank will fail and they all try to withdraw money at the same time.
- sea buckthorn — a thorny Eurasian shrub, Hippophaë rhamnoides, growing on sea coasts and having silvery leaves and orange fruits: family Elaeagnaceae
- skateboarding — a device for riding upon, usually while standing, consisting of a short, oblong piece of wood, plastic, or aluminum mounted on large roller-skate wheels, used on smooth surfaces and requiring better balance of the rider than the ordinary roller skate does.
- skilled labor — labor that requires special training for its satisfactory performance.
- smoke chamber — an enlarged area between the throat of a fireplace and the chimney flue.
- smoked rubber — a type of crude natural rubber in the form of brown sheets obtained by coagulating latex with an acid, rolling it into sheets, and drying over open wood fires. It is the main raw material for natural rubber products
- station break — an interval between or during programs for identifying the station, making announcements, etc.
- stockbreeding — the breeding and raising of livestock for marketing or exhibition.
- streaky bacon — Streaky bacon is bacon which has stripes of fat between stripes of meat.
- take by storm — be a sudden success
- take on board — be receptive
- thrombokinase — Biochemistry. a lipoprotein in the blood that converts prothrombin to thrombin.
- throttle back — If you throttle back, or you throttle back the engine, when driving a motor vehicle or flying an aircraft, you make it go slower by reducing the quantity of fuel entering the engine.
- to break even — When a company or a person running a business breaks even, they make neither a profit nor a loss.
- to break wind — If someone breaks wind, they release gas from their intestines through their anus.
- troublemaking — a person who causes difficulties, distress, worry, etc., for others, especially one who does so habitually as a matter of malice.
- truck bolster — the upper transverse member of a car truck that holds the truck center plate and receives the car's weight.
- unworkability — the quality or state of being unworkable
- vandyke brown — a medium brown color.
- vercelli book — a codex of Old English poems and sermons found in the chapter house at Vercelli.