单词	Heaviside, Oliver
释义	Oliver Heaviside /ˈhɛvɪsʌɪd / (1850–1925), English physicist and electrical engineer, important in the development of telephone communication and telegraphy. In 1902 he suggested (independently of A. E. Kennelly) the existence of a layer in the atmosphere responsible for reflecting radio waves back to earth.
随便看	protopathic bias proto-patriarch proto-patriarchal protopectin protopectinase protoperithecial protoperithecium protopetroleum protophenomenon protophilic protophloem protophylic protophyll Protophyta protophyte protophytic protopine protoplanet protoplanetary protoplasm protoplasmal protoplasmatic protoplasmic protoplasmically protoplast

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。