20-letter words containing a, n, t, i, f, s
- self-belaying system — (in climbing) equipment used to pay out rope as required and thus enable a climber to self-belay
- self-differentiating — to form or mark differently from other such things; distinguish.
- senior aircraftwoman — a rank in the Royal Air Force comparable to that of a private in the army, though not the lowest rank in the Royal Air Force
- separation of powers — the principle or system of vesting in separate branches the executive, legislative, and judicial powers of a government.
- sergeant first class — a noncommissioned officer ranking next above a staff sergeant and below a first or master sergeant.
- shank of the evening — the latter part of the afternoon
- shear transformation — a map of a coordinate space in which one coordinate is held fixed and the other coordinate or coordinates are shifted.
- shifting cultivation — a land-use system, esp in tropical Africa, in which a tract of land is cultivated until its fertility diminishes, when it is abandoned until this is restored naturally
- sinfonia concertante — a type of concerto for two or more solo instruments accompanied by an orchestra
- snowflake generation — the generation of people who became adults in the 2010s, viewed as being less resilient and more prone to taking offence than previous generations
- soft gelatin capsule — A soft gelatin capsule is a type of capsule that is usually used to contain medicine in the form of liquid or powder, and which dissolves more quickly than a hard gelatin capsule.
- software engineering — the process of writing computer programs
- solitary confinement — the confinement of a prisoner in a cell or other place in which he or she is completely isolated from others.
- spanish west african — of or relating to the former Spanish overseas territory of Spanish West Africa (now the overseas provinces of Ifni and Spanish Sahara) or its inhabitants
- specific conductance — conductivity (def 2).
- specific-conductance — conductivity (def 2).
- spirits of hartshorn — a colorless, pungent, suffocating, aqueous solution of about 28.5 percent ammonia gas: used chiefly as a detergent, for removing stains and extracting certain vegetable coloring agents, and in the manufacture of ammonium salts.
- square of opposition — a diagrammatic representation of the opposition of categorical propositions.
- stare sb in the face — If a situation or the answer to a problem is staring you in the face, it is very obvious, although you may not be immediately aware of it.
- surface-active agent — any substance that when dissolved in water or an aqueous solution reduces its surface tension or the interfacial tension between it and another liquid.
- the founding fathers — any of the men who were members of the U.S. Constituional Convention of 1787
- the legal profession — the profession of law
- the shit hit the fan — If someone says that the shit hit the fan, they mean that there was suddenly a lot of trouble or angry arguments.
- there is no call for — If you say that there is no call for someone to behave in a particular way, you are criticizing their behaviour, usually because you think it is rude.
- to burst into flames — If something bursts into flames or bursts into flame, it suddenly starts burning strongly.
- to have it in for sb — If someone has it in for you, they do not like you and they want to make life difficult for you.
- transfer of training — transfer (def 19).
- transformation point — a temperature at which the transformation of one microconstituent to another begins or ends during heating or cooling.
- transformation range — the temperature range within which austenite forms when a ferrous metal is heated, or within which it disappears when the metal is cooled.
- uncertificated share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
- unified screw thread — a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization
- universal quantifier — a quantifier indicating that the sentential function within its scope is true for all values of any variable included in the quantifier.
- university of durham — (body, education) A busy research and teaching community in the historic cathedral city of Durham, UK (population 61000). Its work covers key branches of science and technology and traditional areas of scholarship. Durham graduates are in great demand among employers and the University helps to attract investment into the region. It provides training, short courses, and expertise for industry. Through its cultural events, conferences, tourist business and as a major employer, the University contributes in a wide social and economic sense to the community. Founded in 1832, the University developed in Durham and Newcastle until 1963 when the independent University of Newcastle upon Tyne came into being. Durham is a collegiate body, with 14 Colleges or Societies which are a social and domestic focus for students. In 1992, the Universities of Durham and Teesside launched University College, Stockton-on-Tees, which has 190 students in the first year.
- university of hawaii — (body, education) A University spread over 10 campuses on 4 islands throughout the state. See also Aloha, Aloha Net.
- watering of the eyes — the formation of tears in the eyes
- whyte classification — a system for classifying steam locomotives according to the total number of wheels on the front trucks, drivers, and rear trucks, in that order. For example, a Pacific locomotive is designated as 4-6-2.
- with a grain of salt — to season with salt.
- with a pinch of salt — without wholly believing; sceptically
- woman of easy virtue — a sexually available woman, esp a prostitute