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er 音标拼音: [ɚ] 嗯! 嗯! Er n 1: a trivalent metallic element of the rare earth group; occurs with yttrium [ synonym: { erbium}, { Er}, { atomic number 68}] 2: a room in a hospital or clinic staffed and equipped to provide emergency care to persons requiring immediate medical treatment [ synonym: { emergency room}, { ER}] Er \ Er\ n. the chemical symbol for { erbium}, a rare earth element. It has atomic number 68 and an atomic weight of 167. 26. Syn: erbium. [ WordNet 1. 5 PJC]
- er \- er\ . 1. [ AS. - ere; akin to L. - arius.] The termination of many English words, denoting the agent; -- applied either to men or things; as in hater, farmer, heater, grater. At the end of names of places, - er signifies a man of the place; as, Londoner, i. e., London man. [ 1913 Webster] 2. [ AS. - ra; akin to G. - er, Icel. - are, - re, Goth. - iza, -? za, L. - ior, Gr. ?, Skr. -[ imac] yas.] A suffix used to form the comparative degree of adjectives and adverbs; as, warmer, sooner, lat( e) er, earl( y) ier. [ 1913 Webster] |
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