| 单词 | group velocity |
| 释义 | group velocitynoun Physics.the velocity of finite numbers of waves undergoing simple harmonic motion, equal to the phase velocity when it does not vary with the wavelengths of the waves. The group velocity of the set of waves produced in water when a stone is dropped is less than the velocity of the individual waves. Origin of group velocityFirst recorded in 1885–90 Words nearby group velocitygroup speed, group theory, group therapy, groupthink, groupuscule, group velocity, groupware, group work, grouse, grout, grout box Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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