11-letter words containing p, c, o, s
- championess — a female champion
- chaperonins — Plural form of chaperonin.
- checkerspot — any of several butterflies of the genus Melitaea, having black wings with yellowish-brown, checkerlike markings.
- checkpoints — Plural form of checkpoint.
- chemosphere — an atmospheric zone about 19 to 80 km (11.8 to 49.7 mi) above the earth's surface, in which photochemical reactions take place
- cherepovets — city in NE Russia, on the Rybinsk Reservoir: pop. 319,000
- chiloplasty — cheiloplasty.
- chiropodist — A chiropodist is a person whose job is to treat and care for people's feet.
- chisel plow — a soil tillage device pulled by a tractor or animal, used to break up and stir soil a foot or more beneath the surface without turning it.
- chloroplast — a plastid containing chlorophyll and other pigments, occurring in plants and algae that carry out photosynthesis
- chokepoints — Plural form of chokepoint.
- chop stroke — (in tennis, cricket, etc.) a stroke made with a sharp downward movement of the racket, bat, etc., imparting a backspin to the ball.
- chou pastry — cream puff paste.
- christopher — Saint. 3rd century ad, Christian martyr; patron saint of travellers
- chromascope — An instrument for showing the optical effects of colour.
- chromoplasm — chromatin.
- chromoplast — a coloured plastid in a plant cell, esp one containing carotenoids
- chromoscope — a piece of equipment that is used to examine different aspects of colour including, for example, intensity
- chronoscope — an instrument that registers small intervals of time on a dial, cathode-ray tube, etc
- chrysograph — a manuscript, especially of the Middle Ages, written in gold or gold and silver ink.
- chrysophyte — any of the golden alga species
- chrysoprase — an apple-green variety of chalcedony: a gemstone
- ciclosporin — a drug extracted from a fungus and used after organ transplantation to suppress the body's immune mechanisms, and so prevent rejection of an organ
- cinemascope — an anamorphic process of wide-screen film projection in which an image of approximately twice the usual width is squeezed into a 35mm frame and then screened by a projector having complementary lenses
- cladophylls — Plural form of cladophyll.
- cladoptosis — the annual shedding of twigs or branches instead of leaves, as in certain cypresses.
- cleethorpes — a resort in E England, in North East Lincolnshire unitary authority, Lincolnshire. Pop: 31 853 (2001)
- cleistocarp — cleistothecium.
- clock speed — clock rate
- clodhoppers — a large heavy shoe or boot
- close up/to — If you look at something close up or close to, you look at it when you are very near to it.
- closed plan — an office floor plan consisting of fully enclosed office spaces.
- closed shop — If a factory, shop, or other business is a closed shop, the employees must be members of a particular trade union.
- closed-loop — of or relating to a processing system in which effluents are recycled, that is, treated and returned for reuse.
- clothes peg — A clothes peg is a small device which you use to fasten clothes to a washing line.
- clothes-peg — a clothespin.
- clothes-pin — a device, such as a forked piece of wood or plastic, for fastening articles to a clothesline.
- clothespins — Plural form of clothespin.
- clothespole — a pole for supporting a clothesline
- cloudscapes — Plural form of cloudscape.
- coast pilot — Also called pilot. a manual published by a government for mariners, containing descriptions of coastal waters, harbor facilities, etc., for a specific area.
- cocos plate — a tectonic division of the earth's crust, coincident with the oceanic Guatemala Basin, and bounded on the north and east by the Central American Trench, on the west by the East Pacific Rise, and on the south by the Nazca Plate.
- coelioscopy — a medical procedure for examining the abdomen
- coffee shop — A coffee shop is a kind of restaurant that sells coffee, tea, cakes, and sometimes sandwiches and light meals.
- coil spring — a helical spring formed from wire
- coleoptiles — Plural form of coleoptile.
- collapsable — capable of collapsing or of being collapsed, as for carrying or storing.
- collapsible — A collapsible object is designed to be folded flat when it is not being used.
- colonoscope — an instrument for examining the colon, consisting of a flexible lighted tube that is inserted in the colon to look for abnormalities and to remove them or take tissue samples
- colonoscopy — visual inspection of the interior of the colon with a flexible, lighted tube inserted through the rectum.