16-letter words containing t, h, o, r
- christmas factor — a protein implicated in the process of blood clotting, the lack of which causes Christmas disease
- chromatic number — (mathematics) The smallest number of colours necessary to colour the nodes of a graph so that no two adjacent nodes have the same colour. See also: four colour map theorem.
- chromatographies — Plural form of chromatography.
- chromium plating — plating, often for decorative effect, made of chromium
- chromolithograph — a picture produced by chromolithography
- chymotrypsinogen — the inactive precursor of chymotrypsin
- chytridiomycosis — An infectious disease of amphibians caused by the chytrid fungus.
- cigarette holder — A cigarette holder is a narrow tube that you can put a cigarette into in order to hold it while you smoke it.
- 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
- cock-of-the-rock — either of two tropical South American birds, Rupicola rupicola or R. peruviana, having an erectile crest and (in the male) a brilliant red or orange plumage: family Cotingidae (cotingas)
- coherence theory — the theory of truth that every true statement, insofar as it is true, describes its subject in the totality of its relationship with all other things.
- coherent control — the use of nonrandom radiation, especially a laser beam, to change an atomic, electronic, or molecular system's behavior.
- common logarithm — a logarithm to the base ten. Usually written log or log10
- community charge — (formerly in Britain) a flat-rate charge paid by each adult in a community to his or her local authority in place of rates
- community church — an independent or denominational church in a particular community.
- comparable worth — the doctrine that a woman's and man's pay should be equal when their work requires equal training, skills, and responsibilities.
- concertina crash — a collision in which vehicle after vehicle hits the one ahead in a sequence of events triggered by the first car crash
- considering that — You use considering that to indicate that you are thinking about a particular fact when making a judgment or giving an opinion.
- consulting hours — the hours during which health practitioners are available for consultation
- contour feathers — feathers that form the surface plumage of a bird and determine the outer contour, including the wing and tail feathers
- convector heater — A convector heater is a heater that heats a room by means of hot air.
- copyright symbol — (character, legal) "©" The internationally recognised symbol required to introduce a copyright notice, a letter C with a circle around it. This can be encoded in ISO 8859-1 as character code decimal 169, hexadecimal A9, in HTML as ©, © or ©. A "c" in parentheses: "(c)" is sometimes used in documents stored in a coded character set such as ASCII that does not include the C in a circle, but this has no legal meaning.
- cornhusker state — Nebraska (used as a nickname).
- counter-checking — a check that opposes or restrains.
- counterchallenge — A challenge made in response to another challenge.
- covariant theory — the principle that physical laws have the same form and interrelations in any system of coordinates in which they are expressed.
- cowichan sweater — a heavy sweater of grey, unbleached wool with distinctive designs that were originally black-and-white but are now sometimes coloured: knitted originally by Cowichan Indians in British Columbia
- craftspersonship — The body of activities, skills, techniques, knowledge, and expertise pertinent to (a) particular craft(s).
- creditworthiness — having a satisfactory credit rating.
- cross-cut chisel — a chisel used for making grooves
- cry for the moon — to desire the unattainable
- crystallographer — A person skilled in crystallography.
- crystallographic — of, relating to, or dealing with crystals or crystallography.
- cut one's throat — to bring about one's own ruin
- cut-throat razor — a razor with a long blade that usually folds into the handle
- cystourethrocele — A urethrocele occurring with a cystocele.
- cytoarchitecture — (biology) The arrangement of cells in an organism or organ.
- cytotrophoblasts — Plural form of cytotrophoblast.
- dark of the moon — the period during which the moon is not visible.
- darwinian theory — Darwin's theory of evolution, which holds that all species of plants and animals developed from earlier forms by hereditary transmission of slight variations in successive generations, and that natural selection determines which forms will survive
- data warehousing — the use of large amounts of data taken from multiple sources to create reports and for data analysis
- daylight robbery — If someone charges you a great deal of money for something and you think this is unfair or unreasonable, you can refer to this as daylight robbery.
- dear john letter — a letter from someone (esp to a man) breaking off a love affair
- dearborn heights — city in SE Mich.: suburb of Detroit: pop. 58,000
- debenture holder — a person or organization holds a debenture
- dehydroascorbate — (organic compound) Any salt or ester of dehydroascorbic acid.
- depth perception — ability to see objects in perspective
- devonshire split — a kind of yeast bun split open and served with whipped cream or butter and jam
- dextromethorphan — (pharmaceutical drug) An antitussive drug (a cough suppressant) that is found in many over-the-counter cold and cough preparations.
- diacetylmorphine — heroin.