单词 | orbital |
释义 | orbital[ awr-bi-tl ] / ˈɔr bɪ tl / SEE SYNONYMS FOR orbital ON THESAURUS.COM adjectiveof or relating to an orbit. nounPhysics, Chemistry.
Origin of orbital1535–45; <New Latin, Medieval Latin orbitālis;see orbit, -al1 OTHER WORDS FROM orbitalWords nearby orbitalorbicular zone, orbiculate, Orbison, orbit, orbita, orbital, orbital angular momentum, orbital cavity, orbitale, orbital gyrus, orbital index Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for orbitalBritish Dictionary definitions for orbitalorbital / (ˈɔːbɪtəl) / adjectiveof or denoting an orbit (of a motorway or major road circuit) circling a large city nouna region surrounding an atomic nucleus in which the probability distribution of the electrons is given by a wave function an orbital road Derived forms of orbitalorbitally, adverbCollins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for orbitalorbital [ ôr′bĭ-tl ] adj.Relating to an orbit. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for orbitalorbital [ ôr′bĭ-tl ] A partial description of the quantum state of an electron (or other particle) orbiting the nucleus of an atom. Different orbitals have different shapes and orientations, depending on the energy of the electron, its angular momentum, and its magnetic number. Orbitals have no clear boundaries; the shape of an orbital, as depicted graphically, shows only the regions around the nucleus in which an electron has a relatively high probability of being found. No more than two electrons (each with opposite spin) can coexist in a single orbital because of the Pauli exclusion principle. See also probability wave quantum number shell. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
随便看 |
英语词典包含192737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。