multistage furnace
21China — This article is about the People s Republic of China. For the state commonly known as Taiwan, see the Republic of China. For other uses, see China (disambiguation). PRC redirects here. For other uses, see PRC (disambiguation). People …
22nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …
23transistor — /tran zis teuhr/, n. 1. Electronics. a semiconductor device that amplifies, oscillates, or switches the flow of current between two terminals by varying the current or voltage between one of the terminals and a third: although much smaller in… …
