17-letter words containing w, a, d
- nervous breakdown — (not in technical use) any disabling mental disorder requiring treatment.
- new england aster — a tall composite plant, Aster novae-angliae, of the northeastern U.S., the flowers of which have lavender to deep-purple rays.
- new england range — a plateau in New South Wales in SE Australia, in the Great Dividing Range, rising to 5000 feet (1524 meters).
- new guinea pidgin — the variety of Neo-Melanesian spoken in Papua New Guinea and neighbouring islands
- new scotland yard — See under Scotland Yard (def 1).
- newcastle disease — a rapidly spreading virus-induced disease of birds and domestic fowl, as chickens, marked by respiratory difficulty, reduced egg production and, in chicks, paralysis.
- newfoundland time — a form of civil time observed on the island of Newfoundland, one and one-half hours later than Eastern time and a half hour later than Atlantic time.
- nine days' wonder — an event or thing that arouses considerable but short-lived interest or excitement.
- ninety-day wonder — an officer commissioned in a branch of the armed forces after an unusually short training period, especially after a three-months officers' training course during World War II.
- of its own accord — If something happens of its own accord, it seems to happen by itself, without anyone making it happen.
- old-man-and-woman — houseleek (def 1).
- 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".
- powder metallurgy — the art or science of manufacturing useful articles by compacting metal and other powders in a die, followed by sintering.
- pressure drawdown — Pressure drawdown is the difference between the reservoir pressure and the flowing wellbore pressure, which drives fluids from the reservoir into the wellbore.
- prusso-danish war — a war of 1864 between Prussia and Denmark by which Denmark lost Schleswig-Holstein.
- put in a word for — to make favourable mention of (someone); recommend
- quick on the draw — having fast reflexes
- radioactive waste — the radioactive by-products from the operation of a nuclear reactor or from the reprocessing of depleted nuclear fuel.
- read-write memory — a type of computer memory that you can write to as well as read from
- reading knowledge — the ability to read a language, but not speak it
- ready and waiting — If you want to emphasize that a person is properly prepared for something, or that something can now be used, you can say that they are ready and waiting.
- richard arkwright — Sir Richard, 1732–92, English inventor of the spinning jenny.
- rough-legged hawk — a large hawk, Buteo lagopus, of the Northern Hemisphere, that feeds chiefly on small rodents.
- russian wolfhound — borzoi.
- sandwich compound — any of a class of organometallic compounds whose molecules have a metal atom or ion bound between two plane parallel organic rings
- sawed-off shotgun — rifle with a short barrel
- scattered showers — showers that are scattered across an area, or that occur at intervals throughout the day
- scentless mayweed — a similar and related plant, Matricaria maritima, with scentless leaves
- schwedler's maple — a variety of the Norway maple, Acer platanoides schwedleri, producing red leaves that subsequently turn green.
- seaweed marquetry — marquetry having the form of symmetrical, foliate scrolls, as on English cabinetwork of the late 17th and early 18th centuries.
- second balkan war — Balkan War (def 2).
- secondary rainbow — a faint rainbow formed by light rays that undergo two internal reflections in drops of rain, appearing above the primary rainbow and having its colors in the opposite order.
- secondary winding — A secondary winding is the winding of a transformer that receives its energy by electromagnetic induction from the primary winding.
- self-acknowledged — widely recognized; generally accepted: an acknowledged authority on Chinese art.
- sidesaddle flower — a pitcher plant, Sarracenia purpurea.
- sidewall sampling — Sidewall sampling is the process of taking a sample from the wall of the borehole.
- slings and arrows — Slings and arrows are unpleasant things that happen to you and that are not your fault.
- small waved umber — a brownish geometrid moth, Horisme vitalbata, that is cryptically marked to merge with tree bark
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
- st. swithin's day — July 15, superstitiously regarded as a day that, should it rain or be fair, will be followed by 40 consecutive days of like weather.
- store and forward — to store (information) in a computer for later forward transmission through a telecommunication network
- straw in the wind — If you say that an incident or piece of news is a straw in the wind, you mean that it gives an indication of what might happen in the future.
- strawberry blonde — woman: with reddish fair hair
- swaddling clothes — cloth for wrapping around a baby
- sword and sorcery — a genre of literature and film, usually set in days of old with magic as well as sword fighting
- sword of damocles — Damocles (def 2).
- tanenbaum, andrew — Andrew Tanenbaum
- technical drawing — the study and practice, esp as a subject taught in school, of the basic techniques of draughtsmanship, as employed in mechanical drawing, architecture, etc
- thermal underwear — underwear designed to retain body heat in cold temperatures.