17-letter words containing a, d, e, t, i

non-discretionary — subject or left to one's own discretion.
nondenominational — of or relating to a denomination or denominations.
northern rhodesia — former name of Zambia.
not bat an eyelid — When something surprising or shocking happens, if someone doesn't bat an eyelid in British English, or doesn't bat an eye in American English, they remain calm and do not show any reaction.
not one's idea of — not what one regards as (hard work, a holiday, etc)
nuclear radiation — Physics. radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission.
nursery education — education provided at a school for young children, usually from three to five years old
occipital condyle — a protrusion on the occipital bone of the skull that forms a joint with the first cervical vertebra, enabling the head to move relative to the neck.
octadecanoic acid — stearic acid.
odds-on favourite — a person, team, horse, etc that is regarded as the most likely to win a competition
on the foundation — an endowment or legacy for the perpetual support of an institution such as a school or hospital
on the heavy side — tending to be too heavy
one-time password — (security) (OTP) A security system that requires a new password every time a user authenticates themselves, thus protecting against an intruder replaying an intercepted password. OTP generates passwords using either the MD4 or MD5 hashing algorithms. The equivalent term "S/Key", developed by Bellcore, is a trademark of Telcordia Technologies, so the name OTP is used increasingly. See RFC 1760 - "The S/KEY One-Time Password System" and RFC 1938 - "A One-Time Password System".
online dictionary — a dictionary that is available on the Internet or World Wide Web and accessed through a Web browser using a computer or a mobile device, primarily by typing a query term into a search box on the site. Online dictionaries like Dictionary.com offer immediate, direct access through large databases to a word's spelling and meanings, plus a host of ancillary information, including its variant spellings, pronunciation, inflected forms, origin, and derived forms, as well as supplementary notes on matters of interest or concern about how the word is used: Some people think online dictionaries will make print dictionaries obsolete.
organized ferment — ferment (def 1).
organized militia — a former military organization functioning under both state and federal authority.
outside broadcast — An outside broadcast is a radio or television programme that is not recorded or filmed in a studio, but in another building or in the open air.
overdetermination — the concept that a single emotional symptom or event, as a dream or a slip of the tongue, may be caused by more than one factor.
overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
oyer and terminer — (in some U.S. states) any of various higher criminal courts.
painted greenling — a greenling, Oxylebius pictus, inhabiting the Pacific coastal waters of North America, having a whitish body marked with black bands.
pan and tilt head — a mounting device on which a camera may be rotated in a horizontal plane (pan) or in a vertical plane (tilt)
parathyroidectomy — the excision of a parathyroid gland.
paratyphoid fever — Also called paratyphoid fever. an infectious disease, similar in some of its symptoms to typhoid fever but usually milder, caused by any of several bacilli of the genus Salmonella other than S. typhi.
parking attendant — a person who works for a traffic control agency and who issues tickets for parking violations
parted per tierce — tierced.
partially sighted — unable to see properly so that even with corrective aids normal activities are prevented or seriously hindered
pate de foie gras — See under foie gras.
personal distance — personal space.
perth and kinross — a council area of N central Scotland, corresponding mainly to the historical counties of Perthshire and Kinross-shire: part of Tayside Region from 1975 until 1996: chiefly mountainous, with agriculture, tourism, and forestry. Administrative centre: Perth. Pop: 135 990 (2003 est). Area: 5321 sq km (2019 sq miles)
phenylacetic acid — a white crystalline, aromatic acid, C 8 H 8 O 2 , used in the manufacture of penicillin and in perfumes.
phumiphon aduldet — (Phumiphon Aduldet; Bhumibol Adulyadej) born 1927, king of Thailand since 1946.
pietro da cortona — Pietro da [pye-traw dah] /ˈpyɛ trɔ dɑ/ (Show IPA), (Pietro Berrettini) 1596–1669, Italian painter and architect.
pillar-and-breast — room-and-pillar.
platinic chloride — chloroplatinic acid.
pocket dictionary — a small portable dictionary
polar coordinates — Usually, polar coordinates. one of two coordinates used to locate a point in a plane by the length of its radius vector and the angle this vector makes with the polar axis (polar angle)
police department — A police department is an official organization which is responsible for making sure that people obey the law.
positive feedback — Electronics. the process of returning part of the output of a circuit, system, or device to the input, either to oppose the input (negative feedback) or to aid the input (positive feedback) acoustic feedback.
post-and-rail tea — (in the 19th century) a coarse tea in which floating particles resembled a post-and-rail fence
post-depositional — removal from an office or position.
postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
potassium bromide — a white, crystalline, water-soluble powder, KBr, having a bitter saline taste: used chiefly in the manufacture of photographic papers and plates, in engraving, and in medicine as a sedative.
potassium cyanide — a white, granular, water-soluble, poisonous powder, KCN, having a faint almondlike odor, used chiefly in metallurgy and photography.
potential divider — a resistor or series of resistors connected to a voltage source and used to provide voltages that are fractions of that of the source.
pre-modifications — an act or instance of modifying.
predatory pricing — If a company practises predatory pricing, it charges a much lower price for its products or services than its competitors in order to force them out of the market.
pressure altitude — the altitude for a given pressure in a standard atmosphere, such as that registered by a pressure altimeter.
pressure gradient — the change of pressure per unit distance
primary dentition — the deciduous dentition

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