18-letter words containing t, o, a, l, i, r
- concentration cell — a galvanic cell consisting of two electrodes of the same metal each in different concentrations of a solution of the same salt of that metal.
- conceptual realism — the doctrine that universals have real and independent existence.
- concrete universal — a principle that necessarily has universal import but is also concrete by virtue of its arising in historical situations.
- condensation trail — contrail.
- congregationalists — a form of Protestant church government in which each local religious society is independent and self-governing.
- container terminal — a transport terminal that handles containerized cargo
- continental margin — the offshore zone, consisting of the continental shelf, slope, and rise, that separates the dry-land portion of a continent from the deep ocean floor.
- controllable-pitch — (of a marine or aircraft propeller) having blades whose pitch can be changed during navigation or flight; variable-pitch.
- conversation class — a class in which one learns to speak a foreign language
- conversationalists — Plural form of conversationalist.
- cordillera central — a mountain range in Colombia: part of the Andes. Highest peak, Huila, 18,700 feet (5700 meters).
- counterculturalism — The counterculture movement or lifestyle.
- counterculturalist — the culture and lifestyle of those people, especially among the young, who reject or oppose the dominant values and behavior of society.
- countercyclicality — The quality of being countercyclical.
- coupling capacitor — A coupling capacitor is a capacitor that is used to transmit an alternating current signal from one node to another.
- cranial osteopathy — osteopathy that focuses on the cranium and the spine
- crested dog's-tail — a common wiry perennial grass, Cynosurus cristatus, of meadows and pasture
- critical constants — the physical constants that express the properties of a substance in its critical state
- crude oil desalter — A crude oil desalter is equipment which removes inorganic salts from crude oil, using chemical or electrostatic separation.
- crude oil fraction — A crude oil fraction is a component of crude oil, which has its own particular molecular composition, weight, and boiling point.
- crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
- crystal oscillator — a clear, transparent mineral or glass resembling ice.
- cultural diffusion — act of diffusing; state of being diffused.
- cultural sociology — the study of the origins and development of societal institutions, norms, and practices.
- cumulative scoring — a method of scoring in which the score of a partnership is taken as the sum of their scores on all hands played.
- curvature of field — a monochromatic aberration of a lens or other optical system in which the focal surface is curved, the refracted image of an object oriented perpendicular to the axis of the lens lying on a curved surface rather than in a plane perpendicular to the axis.
- customer relations — Customer relations are the relationships that a business has with its customers and the way in which it treats them.
- dead-letter office — an office where undeliverable letters were taken for storage
- declaration of war — a formal statement made by one country to another that a state of war now exists between them
- decompartmentalize — to remove excessive compartmentalization from (an organization)
- demilitarized zone — an area from which military presence or function has been removed
- depository library — a library designated by law to receive without charge all or a selection of the official publications of a government.
- dia de los muertos — Day of the Dead.
- diamondback turtle — any edible North American terrapin of the genus Malaclemys, esp M. terrapin, occurring in brackish and tidal waters and having diamond-shaped markings on the shell: family Emydidae
- dichloracetic acid — a highly corrosive acid. Formula: C2H2Cl2O2
- dictionary catalog — a library catalog having all its entries, including authors, titles, subjects, etc., in one general alphabetical sequence.
- digital switchover — the process of changing the method of transmitting television from analogue to digital format
- dihydrotachysterol — a white, crystalline, water-insoluble sterol, C 28 H 46 O, derived from ergosterol: used chiefly in the treatment of hypoparathyroidism.
- diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
- diplomatic service — diplomatic corps
- directional signal — any of four signal lights on the front left, front right, rear left, and rear right of an automotive vehicle that, when actuated by the driver, flash in pairs on the side toward which a turn is to be made.
- display postscript — An extended form of PostScript permitting its interactive use with bitmap displays.
- disproportionality — not in proportion; disproportionate.
- disproportionately — not proportionate; out of proportion, as in size or number.
- distribution class — form class
- division algorithm — the theorem that an integer can be written as the sum of the product of two integers, one a given positive integer, added to a positive integer smaller than the given positive integer. Compare Euclidean algorithm.
- dragline excavator — a power shovel that operates by being dragged by cables at the end of an arm or jib: used for quarrying, opencast mining, etc
- dramatic monologue — a poetic form in which a single character, addressing a silent auditor at a critical moment, reveals himself or herself and the dramatic situation.
- drinking chocolate — sweetened cocoa powder
- eastern algonquian — a subgroup of the Algonquian language family, comprising the languages spoken aboriginally from Nova Scotia to northeastern North Carolina.