17-letter words containing a, r, d, o
- secondary process — the conscious mental activity and logical thinking controlled by the ego and influenced by environmental demands.
- secondary product — a product that is not the main product of an industry; a by-product
- secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
- 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 sealing — Secondary sealing is a system of wiper seals used in floating roof tanks.
- secondary winding — A secondary winding is the winding of a transformer that receives its energy by electromagnetic induction from the primary winding.
- sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
- shetland pullover — a thick woollen sweater made from Shetland wool
- shorthold tenancy — letting of a dwelling for between one and five years at a fair rent
- sidesaddle flower — a pitcher plant, Sarracenia purpurea.
- sinbad the sailor — a merchant in The Arabian Nights who makes seven adventurous voyages
- single-track road — a road that is only wide enough for one vehicle
- six-speed gearbox — a gearbox containing a system of six gears
- sleep deprivation — a condition in which you have not had enough sleep
- slenderness ratio — aspect ratio (def 4a).
- slenderness-ratio — Aeronautics. the ratio of the span of an airfoil to its mean chord.
- slings and arrows — Slings and arrows are unpleasant things that happen to you and that are not your fault.
- smarandache logic — neutrosophic logic
- smoke and mirrors — (used with a singular or plural verb) something that distorts or blurs facts, figures, etc., like a magic or conjuring trick; artful deception.
- social democratic — A social democratic party is a political party whose principles are based on social democracy.
- sodium bichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- sodium dichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- sodium propionate — a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
- sodium pyroborate — borax1 .
- sodium-vapor lamp — an electric lamp in which sodium vapor is activated by current passing between two electrodes, producing a yellow, glareless light: used on streets and highways.
- sorolla y bastida — Joaquín [hwah-keen] /ʰwɑˈkin/ (Show IPA), 1863–1923, Spanish painter.
- sound spectrogram — a graphic representation, produced by a sound spectrograph, of the frequency, intensity, duration, and variation with time of the resonance of a sound or series of sounds.
- south farmingdale — a town on central Long Island, in SE New York.
- southern rhodesia — a former name (until 1964) of Zimbabwe (def 1).
- southern sporades — a group of Greek islands in the Aegean, including the Dodecanese, lying off the SW coast of Turkey
- spectroradiometer — an instrument for determining the radiant-energy distribution in a spectrum, combining the functions of a spectroscope with those of a radiometer.
- 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.
- split keyboarding — the act or practice of editing data from one terminal on another terminal
- spotted sandpiper — a North American sandpiper, Actitis macularia, that has brownish-gray upper parts and white underparts, and is spotted with black in the summer.
- 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
- square-shouldered — having the shoulders held back, giving a straight form to the upper part of the back.
- stage-door johnny — a man who often goes to a theater or waits at a stage door to court an actress.
- stand on ceremony — to insist on or act with excessive formality
- stand your ground — relating to or denoting a legal principle or law that eliminates the duty to retreat by allowing, as a first response, self-defense by deadly force: We’re proud to represent Florida, the first stand your ground state.
- standard function — a subprogram provided by a translator that carries out a task, for example the computation of a mathematical function, such as sine, square root, etc
- 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.
- stannous fluoride — a white, crystalline powder, SnF 2 , slightly soluble in water: used as a source of fluorine in the prevention of dental caries, especially as a toothpaste additive.
- statutory holiday — a public holiday; a holiday all workers are entitled to
- store and forward — to store (information) in a computer for later forward transmission through a telecommunication network
- stratford-on-avon — a town in SW Warwickshire, in central England, on the Avon River: birthplace and burial place of Shakespeare.
- strawberry blonde — woman: with reddish fair hair
- subordinated debt — a debt that an unsecured creditor can only claim, in the event of a liquidation, after the claims of secured creditors have been paid
- sulfurated potash — a yellowish-brown mixture consisting mainly of potassium polysulfides and potassium thiosulfate, used in treating mange.
- sunday observance — the fact of keeping Sunday as a special day when people go to church
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.