16-letter words containing iu
- potassium iodide — a white, crystalline, water-soluble powder, KI, having a bitter saline taste: used chiefly in the manufacture of photographic emulsions, as a laboratory reagent, in the preparation of Gram's solution for biological staining, and in medicine as an expectorant and to treat thyroid conditions.
- pseudo-dionysius — flourished c4th or 5th century a.d, author of a number of mystical works: identified, during the Middle Ages, with Dionysius the Areopagite.
- 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
- regius professor — Crown-appointed holder of a university chair
- sodium bisulfate — a colorless crystalline compound, NaHSO 4 , soluble in water: used in dyeing, in the manufacture of cement, paper, soap, and an acid-type cleaner.
- sodium bisulfite — Sodium bisulfite is a crystalline compound used as an antioxidant and stabilizing agent.
- 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 cyclamate — a white, crystalline, water-soluble powder, NaC 6 NH 1 2 SO 3 , that has been used as a sweetening agent: banned by the FDA in 1970.
- 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 methylate — a white, free-flowing, flammable powder, CH 3 ONa, decomposed by water to sodium hydroxide and methyl alcohol: used chiefly in organic synthesis.
- sodium pentothal — the sodium salt of thiopental sodium.
- 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.
- sodium phosphate — Also called monobasic sodium phosphate. a white, crystalline, slightly hygroscopic, water-soluble powder, NaH 2 PO 4 , used chiefly in dyeing and in electroplating.
- thallium sulfate — a colorless, crystalline, water-soluble, poisonous solid, Tl 2 SO 4 , used chiefly as an insecticide and rodenticide.
- titanium dioxide — a white, water-insoluble powder, TiO 2 , used chiefly in white pigments, plastics, ceramics, and for delustering synthetic fibers.
- uranium trioxide — a radioactive orange powder, UO 3 , used in the manufacture of some ceramics.
- vascular cambium — cambium.
- vitruvius pollio — Marcus, flourished 1st century b.c, Roman architect, engineer, and author.
- zygosporangium's — a sporangium that bears a zygospore.