23-letter words containing d, i, s, n, c, o
- friedel-crafts reaction — a reaction for the synthesis of hydrocarbons and ketones by the alkylation or acylation of an aromatic compound in the presence of a catalyst, typically anhydrous aluminum chloride.
- get one's wires crossed — to misunderstand
- grant-maintained school — a school funded directly by central government
- greatest common divisor — the largest number that is a common divisor of a given set of numbers. Abbreviation: G.C.D.
- heaviside unit function — the function that is zero for any number less than zero and that is 1 for any number greater than or equal to zero.
- hold sb/sth in contempt — If you hold someone or something in contempt, you feel contempt for them.
- icosidodecadodecahedron — A polyhedron having 44 faces, 60 vertices, 120 edges, 12 self intersected faces and 12 nonconvex faces.
- in sack cloth and ashes — sacking.
- in someone's bad graces — elegance or beauty of form, manner, motion, or action: We watched her skate with effortless grace across the ice. Synonyms: attractiveness, charm, gracefulness, comeliness, ease, lissomeness, fluidity. Antonyms: stiffness, ugliness, awkwardness, clumsiness; klutziness.
- in your stockinged feet — wearing stockings or socks but no shoes
- indirect discrimination — discrimination by means of rules, regulations or procedures that may appear to be neutral, but which actually discriminate against certain groups of people.
- industrial psychologist — a person who studies human behaviour and cognitive processes in relation to the working environment
- intrinsic semiconductor — an almost pure semiconductor to which no impurities have been added and in which the electron and hole densities are equal at thermal equilibrium
- lackland air force base — U.S. Air Force installation in SW central Texas, SW of San Antonio.
- locally euclidean space — a topological space in which each point has a neighborhood that is homeomorphic to an open set in a Euclidean space of specified dimension.
- lossy audio compression — (audio, compression) Any audio compression algorithm which does not retain every bit of data but only reproduces a signal that sounds more or less like the original. Examples are MP1, MP2, MP3, AAC.
- message digest function — one-way hash function
- modern sequence dancing — a form of dancing in which ballroom dance steps are used as the basis of a wide variety of different dances typically performed in a sequence
- non-destructive testing — Non-destructive testing is the examination of the quality of a component without changing it in any way.
- noncommissioned officer — an enlisted person, as a sergeant or corporal, holding any of various ranks below commissioned or warrant officers.
- nondisclosure agreement — a legal contract in which one or more parties agree to keep information, as a trade secret, confidential and protected for a specific amount of time. Abbreviation: NDA.
- nonessential amino acid — an amino acid that can be synthesized in the body
- o'reilly and associates — The leading publisher of information on the Internet, Unix, the X Window System and other open systems. They also provide the Global Network Navigator service.
- on-line data processing — the storing or processing of data on a computer using the internet
- ordinary life insurance — life insurance with premiums paid throughout the lifetime of the insured.
- parasexual reproduction — reproduction by recombination of genes from genetically dissimilar nuclei within binucleate or multinucleate cells, as in filamentous fungi.
- perceived noise decibel — a unit for measuring perceived levels of noise by comparison with the sound pressure level of a reference sound judged equally noisy by a normal listener
- percentage distribution — a frequency distribution is which individual frequencies are shown as a percentage of the total frequencies
- peroxymonosulfuric acid — persulfuric acid (def 1).
- plan position indicator — a radarscope on which an object reflecting radar waves shows its bearing and distance from the radar detector by causing a spot of light to appear on a screen that represents a map of the area around the detector. Abbreviation: PPI.
- positive discrimination — special opportunities
- postcode discrimination — discrimination on the basis of the area where someone lives, with relation to employment, credit rating, etc
- 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.
- professional misconduct — a violation of the rules or boundaries set by the governing body of a profession
- profit and loss account — income account (def 2).
- psychomotor retardation — a generalized slowing of psychological and physical activity, frequently occurring as a symptom of severe depression.
- quantum electrodynamics — the quantum field theory that deals with the electromagnetic field and its interaction with electrons and positrons. Abbreviation: QED.
- quantum flavourdynamics — a gauge theory of the electromagnetic and weak interactions
- 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)
- 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.
- respondent conditioning — conditioning (def 2).
- russian orthodox church — the national Church of Russia, constituting a branch of the Eastern Church, presided over by the Patriarch of Moscow
- 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.
- school (crossing) guard — a person, either an adult or an older student, whose duty it is to help children cross streets near schools safely
- 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