16-letter words containing p, r, e, h
- bleaching powder — a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H2O. It is used in solution as a bleaching agent and disinfectant
- brake horsepower — the rate at which an engine does work, expressed in horsepower. It is measured by the resistance of an applied brake
- branchiopneustic — breathing by means of gills, as certain aquatic insect larvae.
- bronchopneumonia — inflammation of the lungs, originating in the bronchioles
- brothel-creepers — soft-soled men's shoes that were originally popular in the 1950s
- buttercup squash — a small, usually dark-green squash that is a variety of Cucurbita maxima, having sweet orange flesh.
- cape cod lighter — a device for lighting a fire, as in a fireplace, consisting of a lump of nonflammable material on a metal rod, that is soaked in kerosene or the like and lighted with a match.
- caregiver speech — baby talk (def 2).
- carpatho-ukraine — a region in W Ukraine: ceded by Czechoslovakia in 1945.
- carpenter gothic — (sometimes initial capital letters) a style of Victorian Gothic architecture adapted to the resources of contemporary woodworking tools and machinery.
- caryophyllaceous — of, relating to, or belonging to the Caryophyllaceae, a family of flowering plants including the pink, carnation, sweet william, and chickweed
- celestial sphere — an imaginary sphere of infinitely large radius enclosing the universe so that all celestial bodies appear to be projected onto its surface
- cepheid variable — any of a class of variable stars with regular cycles of variations in luminosity (most ranging from three to fifty days). There is a relationship between the periods of variation and the absolute magnitudes, which is used for measuring the distance of such stars
- charged particle — an atomic particle with a positive or negative charge, as an electron, proton, or helium ion
- charmed particle — See at charmed (def 2).
- chattel personal — an item of movable personal property, such as furniture, domestic animals, etc
- chechen republic — a constituent republic of S Russia, on the N slopes of the Caucasus Mountains: major oil and natural gas resources; formed an Autonomous Republic with Ingushetia from 1936 until 1944 and from 1957 until 1991; declared independence from Ingushetia in 1992; fighting between Chechen separatists and Russian forces (1994–96) led to de facto independence: reoccupied by Russia in 1999–2000. Capital: Grozny. Pop: 1 100 300 (2002). Area: 15 700 sq km (6010 sq miles)
- chemoautotrophic — producing organic matter by the use of energy obtained by oxidation of certain chemicals with carbon dioxide as the carbon source
- chemoheterotroph — an organism that obtains its energy from the oxidation of organic compounds
- chemolithotrophs — Plural form of chemolithotroph.
- chemoprophylaxis — the prevention of disease using chemical drugs
- chemoreceptivity — The ability of a sense organ to respond to a chemical stimulus.
- chemotherapeutic — of or used in chemotherapy
- chernobyl packet — (networking) /cher-noh'b*l pak'*t/ A network packet that induces a broadcast storm and/or network meltdown, named in memory of the April 1986 nuclear accident at Chernobyl in Ukraine. The typical scenario involves an IP Ethernet datagram that passes through a gateway with both source and destination Ethernet address and IP address set as the respective broadcast addresses for the subnetworks being gated between. Compare Christmas tree packet.
- chian turpentine — turpentine (def 2).
- children's panel — (in Scotland) a group of representatives of relevant agencies, with the power to deal with a child under sixteen who is in criminal or family trouble. Its hearings are private and replace most of the functions of juvenile courts
- chinese primrose — any plant of the genus Primula, as P. vulgaris (English primrose) of Europe, having yellow flowers, or P. sinensis (Chinese primrose) of China, having flowers in a variety of colors. Compare primrose family.
- chinese shar-pei — Shar-Pei.
- chinese whispers — a game in which a message is passed on, in a whisper, by each of a number of people, so that the final version of the message is often radically changed from the original
- chlordiazepoxide — a chemical compound used as a tranquillizer and muscle relaxant and in the treatment of delirium tremens. Formula: C16H14ClN3O
- chlorophenol red — an acid-base indicator, C 19 H 12 Cl 2 O 5 S, that changes color from yellow to red as the acidity of a solution decreases.
- chlorophenothane — DDT.
- chlorpheniramine — an antihistaminic compound, C 20 H 23 ClN 2 O 4 , used in treating the symptoms of allergies.
- cholecystography — radiography of the gall bladder after administration of a contrast medium
- christmas hamper — a collection of seasonal delicacies, often housed in a wicker hamper, which people or organizations give as Christmas presents
- chromatographies — Plural form of chromatography.
- chryselephantine — (of ancient Greek statues) made of or overlaid with gold and ivory
- church expectant — the church living in its earthly struggles and in anticipation of God's ultimate victory at the Final Judgment.
- chuvash republic — a constituent republic of W central Russia, in the middle Volga valley: generally low-lying with undulating plains and large areas of forest. Capital: Cheboksary. Pop: 1 313 900 (2002). Area: 18 300 sq km (7064 sq miles)
- chymotrypsinogen — the inactive precursor of chymotrypsin
- cochlear implant — a device that stimulates the acoustic nerve in the inner ear in order to produce some form of hearing in people who are deaf from inner ear disease
- commissionership — The role or office of commissioner.
- comparable worth — the doctrine that a woman's and man's pay should be equal when their work requires equal training, skills, and responsibilities.
- copper hydroxide — a blue, water-insoluble, poisonous powder, Cu(OH) 2 , used in the manufacture of rayon, as a source for copper salts, and as a mordant.
- craftspersonship — The body of activities, skills, techniques, knowledge, and expertise pertinent to (a) particular craft(s).
- creeping thistle — a weedy Eurasian thistle, Cirsium arvense, common as a fast-spreading weed in the US
- crystallographer — A person skilled in crystallography.
- cupric hydroxide — a blue, water-insoluble, poisonous powder, Cu(OH) 2 , used in the manufacture of rayon, as a source for copper salts, and as a mordant.
- depart this life — to die
- depth perception — ability to see objects in perspective