| 单词 | octad |
| 释义 | octad[ ok-tad ] / ˈɒk tæd / SEE SYNONYMS FOR octad ON THESAURUS.COM nouna group or series of eight. Chemistry. an element, atom, or group having a valence of eight. Origin of octad1835–45; <Greek oktad- (stem of oktás) group of eight, equivalent to okt-oct- + -ad-ad1 OTHER WORDS FROM octadoc·tad·ic, adjectiveWords nearby octadocreate, OCS, oct-, octa-, octachord, octad, octadecanoic acid, octagon, octagonal, octagon house, octagon scale Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for octadoctad / (ˈɒktæd) / nouna group or series of eight chem an element or group with a valency of eight Derived forms of octadoctadic, adjectiveWord Origin for octadC19: from Greek oktās, from oktō eight 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 |
| 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。