11-letter words containing p, r, o, c
- chaperonins — Plural form of chaperonin.
- checkerspot — any of several butterflies of the genus Melitaea, having black wings with yellowish-brown, checkerlike markings.
- 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
- child-proof — resistant to being opened, tampered with, or operated by a child: a childproof medicine bottle.
- chirography — handwriting; penmanship
- chiropodist — A chiropodist is a person whose job is to treat and care for people's feet.
- chiropteran — of, relating to, or belonging to the Chiroptera, an order of placental mammals comprising the bats
- chlorophyll — Chlorophyll is any, or all, of a group of green pigments that are found in plants and other organisms, which enables them to use the energy from sunlight.
- chlorophyte — A lower plant of the division Chlorophyta, which comprises the green algae.
- chloroplast — a plastid containing chlorophyll and other pigments, occurring in plants and algae that carry out photosynthesis
- chloroprene — a colourless liquid derivative of butadiene that is used in making neoprene rubbers; 2-chloro-1,2-butadiene. Formula: CH2:CHCCl:CH2
- chlorphenol — chlorophenol.
- chlorpicrin — chloropicrin
- 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.
- chordophone — any musical instrument producing sounds through the vibration of strings, such as the piano, harp, violin, or guitar
- choreograph — When someone choreographs a ballet or other dance, they invent the steps and movements and tell the dancers how to perform them.
- chorography — the technique of mapping regions
- 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.
- chrome tape — magnetic recording tape coated with chrome dioxide
- chromeplate — to plate with chromium.
- chromograph — (obsolete) chromolithograph.
- chromophile — Also, chromophilic, chromophilous [kroh-mof-uh-luh s] /kroʊˈmɒf ə ləs/ (Show IPA), chromatophilic, chromatophilous. staining readily.
- chromophobe — a cell that does not take a stain easily
- chromophore — a group of atoms in a chemical compound that are responsible for the colour of the compound
- 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
- chronograph — an accurate instrument for recording small intervals of time
- 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
- chug report — (humour) From "chug" - to drink heavily. A bug report whose the submitter is thought to have had one too many. Not as bad as a drug report.
- 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
- circumpolar — (of a star or constellation) visible above the horizon at all times at a specified locality on the earth's surface
- clapboarded — Simple past tense and past participle of clapboard.
- cleethorpes — a resort in E England, in North East Lincolnshire unitary authority, Lincolnshire. Pop: 31 853 (2001)
- cleistocarp — cleistothecium.
- cleptocracy — Alternative form of kleptocracy.
- clipper bow — a bow having a concave stem and a hollow entrance.
- clodhoppers — a large heavy shoe or boot
- clopidogrel — An oral antiplatelet agent used to inhibit blood clots in coronary artery disease, peripheral vascular disease, and cerebrovascular disease, having the chemical formula C16H16ClNO2S.
- clorazepate — a benzodiazepine, C 16 H 13 ClN 2 O 4 , used in the treatment of chronic anxiety states and as an adjunct in the treatment of alcohol withdrawal.
- co-producer — to produce (a motion picture, play, etc.) in collaboration with others.
- coach party — a group of people who travel together on a coach trip
- codeveloper — a fellow developer
- coil spring — a helical spring formed from wire