antiknock gasoline
91Mirosław Jan Stasik — (born 27 January 1929 r. in Łódź) Polish medical doctor and toxicologist. Contents 1 Educa …
92tetraethyl lead — tet·ra·eth·yl lead .te trə .eth əl led n a heavy oily poisonous liquid Pb(C2H5)4 used as an antiknock agent in gasoline called also lead tetraethyl …
93Alkylation — A refining process for chemically combining isobutane with olefin hydrocarbons (e.g., propylene, butylene) through the control of temperature and pressure in the presence of anacid catalyst, usually sulfuric acid or hydrofluoric acid. The… …
94Octane — A flammable liquid hydrocarbon found in petroleum. Used as a standard to measure the anti knock properties of motor fuel. U.S. Dept. of Energy, Energy Information Administration s Energy Glossary *** A rating scale used to grade gasoline… …
95bromine — bro•mine [[t]ˈbroʊ min, mɪn[/t]] n. chem. a dark reddish, fuming, toxic liquid element obtained from natural brines and ocean water and used chiefly in gasoline antiknock compounds, pharmaceuticals, and dyes Symbol: Br at. wt.: 79.909 at. no.: 35 …
96ethyl — eth•yl [[t]ˈɛθ əl[/t]] n. 1) chem. the univalent group C2H5–, derived from ethane 2) chem. an antiknock fluid used in gasoline, containing tetraethyllead and other ingredients for a more even combustion • Etymology: 1835–40; < G, coined by J.… …
97tetraethyllead — tet•ra•eth•yl•lead or tet•ra•eth•yl lead [[t]ˈtɛ trəˌɛθ əlˈlɛd[/t]] n. chem. a colorless, oily, water insoluble, poisonous liquid, (C2H5)4Pb, used as an antiknock agent in gasoline • Etymology: 1920–25 …
98tetramethyllead — tet•ra•meth•yl•lead [[t]ˈtɛ trəˌmɛθ əlˈlɛd[/t]] n. chem. a colorless liquid, (CH3)4Pb, used as an antiknock agent in gasoline • Etymology: 1960–65 …
99additive — [ad′ə tiv] adj. [LL additivus: see ADD1] 1. showing or relating to addition 2. to be added n. a substance added to another in small quantities to produce a desired effect, as a preservative added to food or an antiknock added to gasoline …
100lead tetraethyl — noun a clear oily poisonous liquid added to gasoline to prevent knocking • Syn: ↑tetraethyl lead • Hypernyms: ↑antiknock …
