18-letter words containing a, t, y, c
- physical therapist — sb who performs physiotherapy
- platinocyanic acid — the hypothetical acid containing platinum and the cyano group, H 2 Pt(CN) 4 .
- play cat and mouse — Also called cat and rat. a children's game in which players in a circle keep a player from moving into or out of the circle and permit a second player to move into or out of the circle to escape the pursuing first player.
- play catch-up ball — to adjust one's style of play so as to make up for a lack of points, runs, etc.
- play the race card — to introduce the subject of race into a public discussion, esp to gain a strategic advantage
- pneumatic conveyor — a tube through which powdered or granular material, such as cement, grain, etc is transported by a flow of air
- politically-minded — (of a person or group of people) interested in the way power is achieved and used in a country or society (through government, policy-making, etc)
- polychromatophilic — having an affinity for more than one kind of stain, especially for acid, neutral, and basic stains, as polychromatophilic erythroblasts characteristic of pernicious anemia.
- positively charged — having a positive charge
- preparatory school — a private or parochial secondary school, especially one boarding its students and providing a college-preparatory education.
- processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- production company — an organization which produces, films, plays, television or radio programmes
- property insurance — insurance coverage for land and housing
- proprietary colony — any of certain colonies, as Maryland and Pennsylvania, that were granted to an individual or group by the British crown and that were granted full rights of self-government.
- provably difficult — The set or property of problems for which it can be proven that no polynomial-time algorithm exists, only exponential-time algorithms.
- pseudo-symptomatic — pertaining to a symptom or symptoms.
- psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
- psychopathological — the science or study of mental disorders.
- psychotherapeutics — psychotherapy.
- publicity campaign — an effort to convey information to the public
- pulp canal therapy — endodontics.
- quality controller — a person responsible for checking that the goods or services produced by an organization are of an acceptable standard
- quality of service — (communications, networking) (QoS) The performance properties of a network service, possibly including throughput, transit delay, priority. Some protocols allow packets or streams to include QoS requirements.
- quantum efficiency — the number of electrons released by a photocell per photon of incident radiation of a given energy
- quasi-metaphysical — pertaining to or of the nature of metaphysics.
- quite the contrary — not at all, the very opposite
- racially motivated — motivated by (the hate or prejudice of) someone's race
- radiant efficiency — the ratio of the power emitted by a source of radiation to the power consumed by it
- raffinate recovery — Raffinate recovery is the use of a substance which is left after a process is complete and the desired substances have been removed.
- raman spectroscopy — a form of spectroscopy which uses the Raman effect for studying molecules
- recovery operation — the process of locating and retrieving bodies, esp following an explosion or natural disaster
- recruitment agency — company that places job candidates
- reduction strategy — (theory) An algorithm for deciding which redex(es) to reduce next. Different strategies have different termination properties in the presence of recursive functions or values. See string reduction, normal order reduction, applicative order reduction, parallel reduction
- redundancy payment — a sum of money given by an employer to an employee who has been made redundant: usually calculated on the basis of the employee's rate of pay and length of service
- registered charity — official aid organization
- registered company — a company which has officially registered its business
- reinsurance treaty — A reinsurance treaty is a contract that defines the terms of reinsurance business.
- relative frequency — the ratio of the number of times an event occurs to the number of occasions on which it might occur in the same period.
- repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc
- restoration comedy — English comedy of the period of the Restoration, stressing manners and social satire.
- rhondda cynon taff — a county borough in S Wales, created from part of Mid Glamorgan in 1996. Pop: 231 600 (2003 est). Area: 558 sq km (215 sq miles)
- rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
- room occupancy tax — Room occupancy tax is a tax that guests at a hotel have to pay in order to stay there.
- root canal therapy — endodontics.
- rotary clothesline — an apparatus of radiating spokes that support lines on which clothes are hung to dry
- rotational latency — (storage, hardware) The time for the start of the required sector on a disk to appear underneath the read/write head. The worst case is where it has just passed the head when the request is received. For a disk drive with N heads per surface, rotating at R revolutions per minute, the average rotational latency will be L = 30/NR seconds. Rotational latency is one component of access time.
- running commentary — non-stop description of sth
- rural municipality — any lightly settled area in Canada lacking a local elected government and administered directly by a provincial government.
- saskatchewan party — (in Canada) a Saskatchewan political party formed by former members of the provincial Progressive Conservative and Liberal Parties
- schwarz inequality — Also called Cauchy's inequality. the theorem that the inner product of two vectors is less than or equal to the product of the magnitudes of the vectors.