23-letter words containing d, a, f
- quantum flavourdynamics — a gauge theory of the electromagnetic and weak interactions
- 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.
- refinery waste disposal — Refinery waste disposal is the system for dealing with waste materials, especially hazardous ones, in a refinery.
- refuse disposal service — a place or facility where rubbish and waste can be disposed
- relativity of knowledge — the theory that all knowledge is relative to the mind, or that things can be known only through their effects on the mind, and that consequently there can be no knowledge of reality as it is in itself
- right, left, and centre — on all sides; from every direction
- route of administration — A route of administration is the means by which a drug or agent enters the body, such as by mouth or by injection.
- 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.
- self-addressed envelope — addressed to self
- snap someone's head off — to cut, wound, or tear with the teeth: She bit the apple greedily. The lion bit his trainer.
- software developers kit — (jargon, product) (SDK, or "Software Development Kit") Software provided by a software vendor to allow their products to be used with those of other software vendors.
- split-fingered fastball — a pitch, similar to the forkball but thrown with the same arm speed as a fastball, that drops suddenly as it nears the batter.
- stand on one's own feet — a plural of foot.
- state-certified midwife — a midwife with a recognized qualification
- straight bill of lading — a bill of lading that is issued to a specified consignee for the delivery of the goods and that cannot be endorsed to another party.
- talk someone's head off — to communicate or exchange ideas, information, etc., by speaking: to talk about poetry.
- talk/speak of the devil — People say speak of the devil, or in British English talk of the devil, if someone they have just been talking about appears unexpectedly.
- the chamber of deputies — the lower legislative assembly in some parliaments
- the department of state — the United States federal department concerned with foreign policy
- the kingdom of lorraine — an early medieval kingdom on the Meuse, Moselle, and Rhine rivers: later a duchy
- the whys and wherefores — The whys and wherefores of something are the reasons for it.
- to fight tooth and nail — If you fight tooth and nail to do something, you do everything you can in order to achieve it. If you fight something tooth and nail, you do everything you can in order to prevent it.
- 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 get ahold of oneself — to force oneself to become calm and sensible after a shock or in a difficult situation
- to go from bad to worse — If a situation goes from bad to worse, it becomes even more unpleasant or unsatisfactory.
- to have your hands full — If you have your hands full with something, you are very busy because of it.
- to pass the time of day — If you pass the time of day with someone, you have a short friendly conversation with them.
- to see the light of day — If something sees the light of day at a particular time, it comes into existence or is made known to the public at that time.
- track and field athlete — a sportsperson who participates in events that involve running, sprinting, throwing, jumping and walking
- transcendental function — a function that is not an algebraic function.
- twenty-fourth amendment — an amendment to the U.S. Constitution, ratified in 1964, forbidding the use of the poll tax as a requirement for voting in national or U.S. Congressional elections.
- uniform commercial code — a codification of commercial laws designed to provide uniformity among the states
- united church of canada — the largest Protestant denomination in Canada, formed in the 1920s by incorporating some Presbyterians and most Methodists
- united states air force — the permanent or regular military air force of the United States, established in 1947 as a separate service under the authority of the Department of Defense: a branch of the U.S. Army before 1947. Abbreviation: USAF.
- united states of brazil — former official name of Brazil.
- urea-formaldehyde resin — any of a group of resins formed by the interaction of urea and formaldehyde under conditions that include heat and pH control: used chiefly in the manufacture of buttons, baking enamels, and for making fabrics wrinkle-resistant.
- van de graaff generator — a device for producing high-voltage static electricity.
- water off a duck's back — any of numerous wild or domesticated web-footed swimming birds of the family Anatidae, especially of the genus Anas and allied genera, characterized by abroad, flat bill, short legs, and depressed body.
- wolfgang amadeus mozart — Wolfgang Amadeus [woo lf-gang am-uh-dey-uh s;; German vawlf-gahng ah-mah-dey-oo s] /ˈwʊlf gæŋ ˌæm əˈdeɪ əs;; German ˈvɔlf gɑŋ ˌɑ mɑˈdeɪ ʊs/ (Show IPA), 1756–91, Austrian composer.
- wordperfect corporation — (company) The original developers of the WordPerfect word processor and a variety of other applications for personal computers. WordPerfect was founded in Provo, Utah, USA in 1979 by Alan Ashton and Bruce Bastion as "Satellite Software International". The company name was changed to Wordperfect Corporation in 1986. The company was bought by Novell, Inc. in 1994, who then sold it to Corel Corporation in 1996.