| 单词 | primary wave |
| 释义 | primary wavenounSeismology. P wave. Origin of primary waveFirst recorded in 1915–20 Words nearby primary waveprimary tuberculosis, primary type, primary union, primary verb, primary wall, primary wave, primary xylem, primate, Primate of All England, Primate of England, Primates Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for primary waveprimary wave A type of seismic body wave in which rock particles vibrate parallel to the direction of wave travel. Primary waves are alternatingly compressional and extensional, and cause the rocks they pass through to change in volume. These waves are the fastest traveling seismic waves and can travel through solids, liquids, and gases. Also called P wave See Note at earthquake. 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。