antiknock gasoline
81tetraethyllead — /te treuh eth euhl led /, n. Chem. a colorless, oily, water insoluble, poisonous liquid, (C2H5)4Pb, used as an antiknock agent in gasoline. Also, tetraethyl lead. Also called lead tetraethyl, TEL [1920 25; TETRAETHYL + LEAD2] * * * …
82tetramethyllead — /te treuh meth euhl led /, n. Chem. a colorless liquid, (CH3)4Pb, insoluble in water, slightly soluble in alcohol and benzene, used as an antiknock agent in gasoline. Also called TML [1960 65; TETRA + METHYL + LEAD2] * * * …
83transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with …
84Kettering, Charles F(ranklin) — born Aug. 29, 1876, Loudonville, Ohio, U.S. died Nov. 25, 1958, Dayton, Ohio U.S. engineer. In 1904 he developed the first electric cash register. With Edward Deeds he founded Delco с. 1910; in 1916 Delco became a subsidiary of General Motors… …
85piston and cylinder — In mechanical engineering, a sliding cylinder with a closed head (the piston) that moves up and down (or back and forth) in a slightly larger cylindrical chamber (the cylinder) by or against pressure of a fluid, as in an engine or pump. The… …
86Kettering, Charles F. — ▪ American engineer in full Charles Franklin Kettering born Aug. 29, 1876, Loudonville, Ohio, U.S. died Nov. 25, 1958, Dayton, Ohio American engineer whose inventions, which included the electric starter, were instrumental in the… …
87PPG Industries, Inc. — ▪ American company formerly (1883–1968) Pittsburgh Plate Glass Company, a leading American and international producer of coatings, flat glass, chemicals, and chemical products. Its headquarters are in Pittsburgh, Pa. The company… …
88tetraethyl lead — noun a toxic organometallic compound, (CH)Pb, added to petroleum/gasoline as an antiknock agent Syn: TEL …
89ethylene dibromide — Compound used in antiknock gasolines. Severe skin irritant; may cause blistering. Inhalation causes delayed pulmonary lesions. Prolonged exposure may also result in liver and kidney injury. May be a human carci …
90toluene — A colorless liquid obtained by the dry distillation of tolu and other resinous bodies, and also derived from coal tar; its physical and chemical properties resemble those of benzene. Used in explosives and dyes, and as a solvent in the extraction …
