| 单词 | atomic structure |
| 释义 | atomic structurenoun Physics.the structure of an atom, theoretically consisting of a positively charged nucleus surrounded and neutralized by negatively charged electrons revolving in orbits at varying distances from the nucleus, the constitution of the nucleus and the arrangement of the electrons differing with various chemical elements. Origin of atomic structureFirst recorded in 1895–1900 Words nearby atomic structureatomic number, atomic pile, atomic power, atomics, atomic spectrum, atomic structure, atomic theory, atomic veteran, atomic volume, atomic weight, atomism Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for atomic structureatomic structure nounthe concept of an atom as a central positively charged nucleus consisting of protons and neutrons surrounded by a number of electrons. The number of electrons is equal to the number of protons: the whole entity is thus electrically neutral Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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