18-letter words containing a, y
- cat's cry syndrome — a complex of congenital malformations in human infants caused by a chromosomal aberration and in which the infant emits a mewing cry.
- catalytic cracking — a method used in the petroleum industry for the cracking of petroleum by catalysis
- catastrophe theory — a mathematical theory that classifies surfaces according to their form
- catcher in the rye — a novel (1951) by J. D. Salinger.
- characteristically — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
- chartered surveyor — (in Britain) a surveyor who is registered with the Royal Institution of Chartered Surveyors as having the qualifications, training, and experience to satisfy their professional requirements
- chebyshev equation — Tchebycheff equation.
- chemical pregnancy — a pregnancy that is confirmed by a pregnancy test but not by clinical signs and terminates before clinical signs can be observed.
- chronostratigraphy — The branch of geology concerned with establishing the absolute ages of strata.
- circulatory system — the system concerned with the transport of blood and lymph, consisting of the heart, blood vessels, lymph vessels, etc
- claustrophobically — In a claustrophobic way.
- clay-colored robin — any of several small Old World birds having a red or reddish breast, especially Erithacus rubecula, of Europe.
- climbing hydrangea — a woody vine, Hydrangea anomala, of eastern Asia, having shiny, egg-shaped leaves and flat-topped white flower clusters, and climbing by aerial rootlets.
- clinical pathology — the branch of pathology dealing with the study of disease and disease processes by means of chemical, microscopic, and serologic examinations.
- color transparency — a positive color image photographically produced on transparent film or glass and viewed by transmitted light, usually by projection.
- colour photography — the art or process of taking and developing photographs in colour
- come someone's way — to come within someone's scope or range; come to someone
- committed facility — an agreement by a bank to provide a customer with funds up to a specified limit at a specified rate of interest
- commodity exchange — an exchange where commodities are traded
- community hospital — (in the US) a local hospital
- community language — a language spoken by members of a minority group or community within a majority language context
- complementary base — either of the nucleotide bases linked by a hydrogen bond on opposite strands of DNA or double-stranded RNA: guanine is the complementary base of cytosine, and adenine is the complementary base of thymine in DNA and of uracil in RNA.
- complementary gene — one of a pair of genes, each from different loci, that together are required for the expression of a certain characteristic
- complexity measure — (algorithm) A quantity describing the complexity of a computation.
- conductivity water — water that has a conductivity of less than 0.043 × 10–6 S cm–1
- conservative party — The Conservative Party is the main right-of-centre party in Britain.
- constituency party — a branch of a political party operating within a constituency
- continental system — French system.
- cooling degree-day — a degree-day above the standard temperature of 75°F (24°C), used in estimating the energy requirements for air conditioning and refrigeration.
- coronary care unit — a unit in a hospital dedicated to treating coronary heart disease
- coronary occlusion — partial or total obstruction of a coronary artery, as by a thrombus, usually resulting in infarction of the myocardium.
- coronary-care unit — a specialized hospital unit for the early care and treatment of heart-attack patients. Abbreviation: CCU.
- corporate identity — business brand
- corpus christi bay — a bay in S Texas, at the mouth of the Nueces River.
- corpuscular theory — the theory, originally proposed by Newton, and revived with the development of the quantum theory, that light consists of a stream of particles
- cot death syndrome — the unexplained sudden death of an infant during sleep
- countercyclicality — The quality of being countercyclical.
- countryside agency — (in England) a government agency that promotes the conservation and enjoyment of the countryside and aims to stimulate employment in rural areas
- cranial osteopathy — osteopathy that focuses on the cranium and the spine
- credibility rating — a supposed measure of how far a person can be believed or trusted
- creeping paralysis — any slow process that causes a system, government, etc, to stop working efficiently
- crested flycatcher — any of various tyrant flycatchers (esp. genus Myiarchus) with a prominent crest
- cross-disciplinary — linking two or more fields of study
- 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 diversity — the cultural variety and cultural differences that exist in the world, a society, or an institution: Dying languages and urbanization are threats to cultural diversity.
- cultural sociology — the study of the origins and development of societal institutions, norms, and practices.
- cyclopean concrete — concrete containing stones larger than 6 inches (15 cm).
- cyrano de bergerac — Savinien (savinjɛ̃). 1619–55, French writer and soldier, famous as a duellist and for his large nose. He became widely known through the verse drama Cyrano de Bergerac (1897) by Edmond Rostand
- cytoarchitectonics — Cytoarchitecture.