23-letter words containing a, n, e, c, d

photoelectric magnitude — the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
plain old documentation — (text) (pod, occasionally "POD") A simple markup language used to embed documentation, literate programming-style, in Perl programs. Pod readers and converters are part of the standard Perl distribution and the documentation provided with Perl is all in pod format.
positive discrimination — special opportunities
postcode discrimination — discrimination on the basis of the area where someone lives, with relation to employment, credit rating, etc
precipitation hardening — a process in which alloys are strengthened by the formation, in their lattice, of a fine dispersion of one component when the metal is quenched from a high temperature and aged at an intermediate temperature
preclinical safety data — Preclinical safety data is information about the safety of a medication that is assessed before clinical trials.
private limited company — a company whose shares can be bought by the public
process hazard analysis — Process hazard analysis is calculating what might be a hazard in a process, how likely it is to happen, and what should be done if someone or something is exposed to this hazard.
product differentiation — the real or illusory distinction between competing products in a market
professional misconduct — a violation of the rules or boundaries set by the governing body of a profession
psychomotor retardation — a generalized slowing of psychological and physical activity, frequently occurring as a symptom of severe depression.
publicly-quoted company — a company whose shares are traded on a stock exchange
quantum electrodynamics — the quantum field theory that deals with the electromagnetic field and its interaction with electrons and positrons. Abbreviation: QED.
queen charlotte islands — a group of about 150 islands off the W coast of Canada: part of British Columbia. Pop: about 6000 (latest est). Area: 9596 sq km (3705 sq miles)
quote chapter and verse — [by analogy with the mainstream phrase] To cite a relevant excerpt from an appropriate bible. "I don't care if "rn" gets it wrong; "Followup-To: poster" is explicitly permitted by RFC 1036. I'll quote chapter and verse if you don't believe me." See also legalese, language lawyer, RTFS (sense 2).
radial drilling machine — a machine in which the drilling head is mounted to slide along a radial arm which can be rotated, raised, or lowered on a vertical mast to adjust the position of the drill above the workpiece
radio direction finding — the act or process of finding the direction to a radio source by comparing the signal strength of antennae pointing in different directions
rate-of-climb indicator — a flight instrument that indicates the rate of climb or descent of an aircraft.
real simple syndication — (spelling) Illiterate form of Really Simple Syndication.
rectangular coordinates — Usually, rectangular coordinates. either of two Cartesian coordinates in which the axes meet at right angles.
red-bellied black snake — a highly venomous Australian black snake, Pseudechis porphyriacus, with a reddish underside
residual current device — a circuit-breaking device installed in electrical equipment to protect the operator from electrocution
residual debt insurance — Residual debt insurance is a type of risk insurance that banks often require when granting a loan, which is used to guarantee that the loan is repaid in the event of death or disability.
right circular cylinder — a cylinder generated by the revolution of a rectangle about one of its sides.
right, left, and centre — on all sides; from every direction
rsa data security, inc. — (cryptography, company) (After Rivest, Shamir, Adleman - see RSA) A recognised world leader in cryptography, with millions of copies of its software encryption and authentication installed and in use worldwide. RSA's technologies are the global de facto standard for public key cryptography and digital signatures, and are part of existing and proposed standards for the Internet, ITU-T, ISO, ANSI, PKCS, IEEE and business and financial networks around the world.
saddle block anesthesia — a form of spinal anesthesia that produces loss of sensation in the buttocks, perineum, and inner thighs.
sb doesn't miss a trick — If you say that someone does not miss a trick, you mean that they always know what is happening and take advantage of every situation.
scientific data systems — (company) (SDS) The company that produced the SDS 940 (later renamed XDS 940). Around 1968 Xerox bought out SDS and renamed the SDS machines to XDS.
secondary modern school — (formerly) a secondary school offering a more technical or practical and less academic education than a grammar school
secondary seventh chord — a chord formed by superposition of three thirds upon any degree of the scale except the dominant.
secondary sex character — any of a number of manifestations, as development of breasts or beard, muscularity, distribution of fat tissue, and change of pitch in voice, specific to each sex and incipient at puberty but not essential to reproduction.
security association id — (networking) (SAID) A 32-bit field added to packet headers for encryption and authentication in the proposed Internet Protocol Version 6.
sheltered accommodation — housing specially designed to provide a safe environment for the elderly, handicapped, or disabled, often with some shared facilities and a caretaker
sierra madre occidental — the system of mountains in the west of Mexico
social education centre — a daycentre, run by a local authority, for people with learning disabilities and sometimes also for people who have physical disabilities or are mentally ill
somaliland protectorate — official name of the former British Somaliland.
specialite de la maison — the specialty of the house (used in referring to the most important dish served by a restaurant).
spigot and socket joint — a joint between two pipes using male and female parts
stand up and be counted — express opinion
state coordinate system — a system of right-angled planar coordinates established by the U.S. Coast and Geodetic Survey for each state in the United States.
state-trading countries — countries whose export and import trading is government controlled
stock and station agent — a firm dealing in and financing farm activities
swine vesicular disease — a viral disease of swine characterized by vesicular lesions on the feet, legs, snout, and tongue
take into consideration — take account of, allow for
the data protection act — a United Kingdom act of parliament designed to ensure the proper handling of information stored about individuals on computers and entitling individuals to find out what information is stored about them
to come to a sticky end — If someone comes to a sticky end or meets a sticky end, they suffer very badly or die in an unpleasant way.
to force someone's hand — If you force someone's hand, you force them to act sooner than they want to, or to act in public when they would prefer to keep their actions secret.
to send someone packing — If you send someone packing, you make them go away.
track and field athlete — a sportsperson who participates in events that involve running, sprinting, throwing, jumping and walking

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