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单词 electrovalence
释义

WordReference Random House Unabridged Dictionary of American English © 2024
e•lec•tro•va•lence  (i lek′trō vāləns),USA pronunciation n. [Chem.]
  1. ChemistryAlso called polar valence. the valence of an ion, equal to the number of positive or negative charges acquired by an atom through a loss or gain of electrons.
  2. ChemistryAlso called electrovalent bond. See ionic bond. 
Also, e•lec′tro•valen•cy. 
  • electro(n) + valence 1920–25
e•lec′tro•valent, adj. 
e•lec′tro•valent•ly, adv. 

Collins Concise English Dictionary © HarperCollins Publishers::
electrovalency /ɪˌlɛktrəʊˈveɪlənsɪ/, electrovalence n
  1. the valency of a substance in forming ions, equal to the number of electrons gained or lost

eˌlectroˈvalent adj
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