17-letter words containing a, c, i, d, r, l
- recreational drug — drug taken for pleasure
- recurring decimal — Mathematics. repeating decimal.
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- repeating decimal — a decimal numeral that, after a certain point, consists of a group of one or more digits repeated ad infinitum, as 2.33333 …. or 23.0218181818 ….
- road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
- sacrificial anode — Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.
- sandro botticelli — Sandro [san-droh,, sahn-;; Italian sahn-draw] /ˈsæn droʊ,, ˈsɑn-;; Italian ˈsɑn drɔ/ (Show IPA), (Alessandro di Mariano dei Filipepi) 1444?–1510, Italian painter.
- secondary glazing — insulation by means of a second pane of glass, or a sheet of plastic: a simple form of double glazing
- secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
- secondary sealing — Secondary sealing is a system of wiper seals used in floating roof tanks.
- securities dealer — a person who buys and sells securities
- self-depreciating — self-deprecating.
- single-track road — a road that is only wide enough for one vehicle
- smarandache logic — neutrosophic logic
- social democratic — A social democratic party is a political party whose principles are based on social democracy.
- spruce gall aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
- stannous chloride — a white, crystalline, water-soluble solid, SnCl 2 ⋅2H 2 O, used chiefly as a reducing and tinning agent, and as a mordant in dyeing with cochineal.
- surgical dressing — a dressing made of cotton, used for incisions made during surgery
- 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
- telescopic damper — a device with telescopic parts that reduce vibration in a motor vehicle
- terephthalic acid — a white, crystalline, water-insoluble solid, C 8 H 6 O 2 , the para isomer of phthalic acid: used chiefly in the manufacture of resins and textile fibers.
- thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
- traditional logic — formal logic based on syllogistic formulas, especially as developed by Aristotle.
- transcendentalism — transcendental character, thought, or language.
- transcendentalist — transcendental character, thought, or language.
- transcendentalize — to cause to become transcendent.
- tropical medicine — the branch of medicine dealing with the study and treatment of diseases occurring in the tropics.
- trucial sheikdoms — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- unclassified road — a road that has not been given a grade because it is of a basic standard
- unpredictableness — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- vaginal discharge — emission from the female genitalia
- vascular cylinder — stele (sense 3)
- vice-presidential — relating to a person who ranks immediately below the chief executive or head of state of a republic
- voidable contract — a contract or agreement that is capable of being made of no legal effect or made void
- vulcan death grip — (jargon) A variant of Vulcan nerve pinch derived from a Star Trek classic epsisode where a non-existant "Vulcan death grip" was used to fool Romulans that Spock had killed Kirk.
- wind chill factor — A wind chill factor is a measure of the cooling effect of the wind on the temperature of the air.
- wind-chill factor — the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
- zoological garden — zoo (def 1).