16-letter words containing i, r, d, o, u
- quasi-democratic — pertaining to or of the nature of democracy or a democracy.
- radioimmunoassay — a test procedure that integrates immunologic and radiolabeling techniques to measure minute quantities of a substance, as a protein, hormone, or drug, in a given sample of body fluid or tissue.
- radium emanation — (formerly) radon.
- radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
- rattle around in — to live or work in (a house, office, etc.) that is too big for one's needs
- razor-billed auk — a black and white auk, Alca torda, of the American and European coasts of the northern North Atlantic, having a compressed black bill encircled by a white band.
- rearguard action — an action fought by a rearguard
- reconceptualized — to form into a concept; make a concept of.
- recording studio — place where music is recorded
- rectus abdominis — a long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column, particularly the lumbar portion; it also tenses the anterior abdominal wall and assists in compressing the abdominal contents
- redemption value — the price at which the issuing company may choose to repurchase a security before its maturity date
- redistributional — a distribution performed again or anew.
- religious leader — head of a church or order
- returned soldier — a soldier who has served abroad
- ribonucleic acid — RNA.
- risus sardonicus — fixed contraction of the facial muscles resulting in a peculiar distorted grin, caused esp by tetanus
- romeo and juliet — a tragedy (produced between 1591 and 1596) by Shakespeare.
- rooting compound — a substance, usually a powder, containing auxins in which plant cuttings are dipped in order to promote root growth
- round the wrekin — the long way round
- roundabout chair — corner chair.
- run rings around — a typically circular band of metal or other durable material, especially one of gold or other precious metal, often set with gems, for wearing on the finger as an ornament, a token of betrothal or marriage, etc.
- russian orthodox — of or relating to the Russian Orthodox Church
- scar tissue code — (humour, programming) Old code that is commented out but still included in the current release.
- secondary tissue — tissue derived from cambium.
- secured creditor — a creditor who has a secured loan
- self-destruction — the destruction or ruination of oneself or one's life.
- self-preoccupied — preoccupied by one's own concerns
- self-reproducing — to make a copy, representation, duplicate, or close imitation of: to reproduce a picture.
- sendero luminoso — Spanish. a Maoist guerrilla movement active in Peru since 1980.
- shakedown cruise — extortion, as by blackmail or threats of violence.
- shoulder surfing — a form of credit-card fraud in which the perpetrator stands behind and looks over the shoulder of the victim as he or she withdraws money from an automated teller machine, memorizes the card details, and later steals the card
- slubberdegullion — a slovenly or worthless person
- sodium carbonate — Also called soda ash. an anhydrous, grayish-white, odorless, water-soluble powder, Na 2 CO 3 , usually obtained by the Solvay process and containing about 1 percent of impurities consisting of sulfates, chlorides, and bicarbonates of sodium: used in the manufacture of glass, ceramics, soaps, paper, petroleum products, sodium salts, as a cleanser, for bleaching, and in water treatment.
- sodium hydroxide — a white, deliquescent, water-soluble solid, NaOH, usually in the form of lumps, sticks, chips, or pellets, that upon solution in water generates heat: used chiefly in the manufacture of other chemicals, rayon, film, soap, as a laboratory reagent, and in medicine as a caustic.
- sodium perborate — a white, crystalline, water-soluble solid, NaBO 2 ⋅3H 2 O or NaBO 3 ⋅4H 2 O, used chiefly as a bleaching agent and antiseptic.
- stage production — a play or show which is performed on stage
- studio apartment — an apartment consisting of one main room, a kitchen or kitchenette, and a bathroom. Compare efficiency apartment.
- subordinationism — the doctrine that the first person of the Holy Trinity is superior to the second, and the second superior to the third.
- sulfocarbanilide — thiocarbanilide.
- sulphur trioxide — a white corrosive substance existing in three crystalline forms of which the stable (alpha-) form is usually obtained as silky needles. It is produced by the oxidation of sulphur dioxide, and is used in the sulphonation of organic compounds. Formula: SO3
- sun in splendour — a representation of the sun with rays and a human face
- sun-dried tomato — tomato dried in the sun
- superfecundation — the fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.
- synchronous idle — (character) (SYN) The mnemonic for ASCII character 22.
- taurocholic acid — an acid, C 26 H 45 NO 7 S, occurring as a sodium salt in the bile of carnivorous animals, which on hydrolysis yields taurine and cholic acid.
- texture modifier — a substance that is added to food products to increase viscosity
- the oil industry — the industry that produces and delivers petroleum and petroleum products
- thought disorder — disorganized speech, as flight of ideas or loosening of associations, thought to reflect disorganized thinking and occurring as a symptom of some types of mental illness, as manic disorder or schizophrenia.
- tierra del fuego — a group of islands at the S tip of South America, separated from the mainland by the Strait of Magellan: jointly owned by Argentina and Chile; boundary disputed. 27,476 sq. mi. (71,165 sq. km).
- to dip your toes — If you dip your toes into something or dip your toes into the waters of something, you start doing that thing slowly and carefully, because you are not sure whether it will be successful or whether you will like it.