19-letter words containing ric
- peroxysulfuric acid — persulfuric acid (def 1).
- photoelectric meter — an exposure meter using a photocell for the measurement of light intensity.
- pneumogastric nerve — the vagus nerve.
- polyphosphoric acid — any one of a series of oxyacids of phosphorus with the general formula Hn+2PnO3n+1. The first member is pyrophosphoric acid (n = 2) and the series includes the highly polymeric metaphosphoric acid. The higher acids exist in an equilibrium mixture
- prick up one's ears — a puncture made by a needle, thorn, or the like.
- psychrometric chart — a chart for calculating values of relative humidity, absolute humidity, and dew point from psychrometer readings.
- pyrophosphoric acid — a crystalline, water-soluble powder, H 4 P 2 O 7 , formed by the union of one molecule of phosphorus pentoxide with two molecules of water.
- redbrick university — any new or little-known university, especially one built since World War II to educate students in industrial regions, emphasizing technical subjects rather than the classics, and often partially supported by government funds.
- restricted currency — a non-convertible currency
- restriction enzymes — any of a group of enzymes that catalyze the cleavage of DNA molecules at specific sites: used for gene splicing in recombinant DNA technology and for chromosome mapping.
- rhetorical question — a question asked solely to produce an effect or to make an assertion and not to elicit a reply, as “What is so rare as a day in June?”.
- rickettsial disease — any of several acute infectious diseases caused by ticks, mites, or body lice infected with rickettsiae. The main types include typhus, spotted fever, Q fever, trench fever, and tsutsugamushi disease
- saint patrick's day — March 17, observed by the Irish in honor of St. Patrick, the patron saint of Ireland.
- senatorial district — one of a fixed number of districts into which a state of the U.S. is divided, each electing one member to the state senate.
- sensitometric curve — characteristic curve.
- south african dutch — the Boers.
- spanish west africa — a former overseas territory of Spain in NW Africa: divided in 1958 into the overseas provinces of Ifni and Spanish Sahara
- spherical astronomy — the branch of astronomy dealing with the determination of the positions of celestial bodies on the celestial sphere.
- strict counterpoint — the application of the rules of counterpoint as an academic exercise
- theatrical producer — a person who is responsible for all aspects of a theatrical production
- thiophosphoric acid — an acid derived from phosphoric acid by substituting one or more sulfur atoms for oxygen atoms.
- torricellian vacuum — the vacuum at the top of a Torricellian tube
- tricalcium silicate — a component of cement, Ca 3 SiO 5 , also used in food to prevent caking.
- trickle bed reactor — A trickle bed reactor is a reactor in which gravity makes a gas and a liquid flow through a bed of catalyst.
- trickle-down theory — an economic theory that monetary benefits directed especially by the government to big business will in turn pass down to and profit smaller businesses and the general public.
- tricks of the trade — expert techniques
- tropic of capricorn — Astronomy. the Goat, a zodiacal constellation between Sagittarius and Aquarius.
- voltaic electricity — electric current; moving electric charges.
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.