12-letter words containing k, r, o, t
- piston skirt — The piston skirt is the cylindrical walls of a piston.
- pocket drive — a small portable memory device that can be plugged into the USB port of many different types of computer
- poikilotherm — an organism with poikilothermic qualities
- poodle skirt — 1950s-style woman's circular skirt
- pork butcher — a butcher who specializes in pork
- port jackson — an inlet of the Pacific in SE Australia: the harbor of Sydney.
- postcardlike — (of a scene) resembling a postcard
- postworkshop — occurring after a workshop
- power kiting — an activity in which a person, sitting in a small buggy or wearing skis, etc, is propelled by the wind power generated by a large kite to which he or she is attached by ropes
- private joke — a joke that is understood only by a certain social group
- product mark — a trademark used on only one product.
- puck control — an offensive strategy to maintain control of the puck to prevent the other team from having scoring opportunities.
- quack doctor — an unqualified person who claims medical knowledge or other skills
- quartz clock — an extremely accurate electronic movement utilizing the natural frequency of vibrations of a quartz crystal to regulate the operation of the timepiece (quartz clock or quartz watch)
- rat kangaroo — any of several rabbit-sized, ratlike Australian kangaroos of the subfamily Potoroinae.
- rat-kangaroo — any of several rabbit-sized, ratlike Australian kangaroos of the subfamily Potoroinae.
- receipt book — book containing receipt slips
- record token — a gift voucher that can be used as payment for records of a specified value
- ring network — (networking, topology) A network topology in which all nodes are connected to a single wire in a ring or point-to-point. There are no endpoints. This topology is used by token ring networks. Compare: bus network, star network.
- robert hooke — Robert, 1635–1703, English philosopher, microscopist, and physicist.
- rock bunting — a seed-eating songbird, Emberiza cia
- rock crystal — transparent quartz, especially when colorless.
- rock lobster — spiny lobster.
- rock-shelter — a shallow cave or cavelike area, as one formed by an overhanging cliff or standing rocks, occupied by Stone Age peoples, possibly for extended periods.
- rocket motor — engine of a spacecraft
- rocket plane — aircraft that launches rockets
- rocket range — a firing range for rockets
- rocket salad — rocket2 (def 2).
- rocket-salad — any of various plants belonging to the genus Hesperis, of the mustard family, and related genera. Compare dame's rocket.
- rockumentary — a documentary about rock music.
- rohnert park — a city in W California.
- roller-skate — to glide about by means of roller skates.
- roman strike — a striking mechanism of c1700, giving the equivalent in tones of Roman numerals, a bell of one pitch striking once for each number I, a bell of another pitch striking once for V, twice for X.
- rooter skunk — hog-nosed skunk (def 1).
- rostenkowski — Dan(iel) 1928–2010, U.S. politician: congressman 1959–94.
- running knot — a knot made around and so as to slide along a part of the same rope, thus forming a noose (running noose) that tightens as the rope is pulled.
- sankt moritz — German name of St. Moritz.
- sea milkwort — a maritime plant, Glaux maritima, having small, pinkish-white flowers.
- section mark — section (def 16).
- shark patrol — a watch for sharks kept by an aircraft flying over beaches used by swimmers
- shift worker — a person who does shiftwork
- shock troops — soldiers trained to attack
- short-spoken — speaking in a short, brief, or curt manner.
- silk factory — plant where silk fabric is produced
- skateboarder — person who rides skateboard
- skeleton car — a freight car essentially consisting of a central longitudinal girder fastened to the trucks, sometimes supplemented by one or more pairs of cross cantilevers: used for carrying logs or containers.
- skeletonizer — any of numerous insect species that reduce leaves to a skeleton
- ski trousers — warm padded trousers used for skiing
- smart cookie — intelligent or sharp-witted person
- smoky quartz — a smoky-yellow to dark brown or black variety of quartz, used as a gem.