| 释义 |
secondary wave
secondary wave An earthquake wave in which rock particles vibrate at right angles to the direction of wave travel. Secondary waves can travel through solids but not through liquids. Also called S wave. See Note at earthquake.secondary wave
secondary wave[′sek·ən‚der·ē ′wāv] (geophysics) S wave (optics) One of the waves that radiate from each point on a wavefront, according to Huygens' principle. |