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er 音標拼音: [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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