单词 | oxidizer |
释义 | oxidizern. Chemistry. 1. A substance that oxidizes another; an oxidizing agent; spec. one used to support the combustion of fuel in a rocket engine or fuel cell. ΘΚΠ society > occupation and work > materials > fuel > chemical fuel > [noun] > additives oxidizer1850 dope1930 the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > oxidation > oxidizing agent oxygenant1802 oxidizer1850 oxygenator1864 oxygenizer1882 the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > oxidation > oxidating agent oxidizer1850 oxidator1865 oxidant1868 1850 Sci. Amer. 21 Dec. 112/3 It is a powerful oxidizer; mixed with nitric acid it forms a kind of aqua regia. It has not been analyzed, but is supposed to contain nitric acid. 1872 Proc. Royal Soc. 21 447 I have found turpentine a very useful sensitizer, the chief objection being that it sometimes acts as an oxidizer, even in the dark, and is too energetic. 1927 Bot. Gaz. 83 216 The permanganate is an oxidizer, and by using a measured amount, one has a measure of the reducing substance in the extract. 1950 Sci. News 15 78 Liquid fluorine could be used as an ‘oxidiser’ with suitable fuels, but great care is needed when handling this liquid. 1952 E. Burgess Rocket Propulsion i. 14 Essentially then, the rocket consists of two tanks containing a fuel and an oxidiser and these two propellents are forced into a combustion chamber. 1991 New Scientist 23 Feb. 30/2 So far these [liquid fuel thrusters] have used a monomethyl hydrazine fuel and mixed oxides of nitrogen (MON, mainly nitrogen tetroxide) as oxidiser. ΘΚΠ society > occupation and work > worker > workers according to type of work > manual or industrial worker > workers with specific materials > metalworker > [noun] > worker in gold or silver > silversmith > maker of oxidized silver oxidizer1884 1884 Birmingham Daily Post 23 Feb. 3/4 Gilders.—Wanted an experienced Parcel Gilder and Oxydiser. This entry has been updated (OED Third Edition, March 2005; most recently modified version published online March 2022). < n.1850 |
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