- rarefactional wave
- 稀疏波
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
rarefaction — rarefactional, adj. rarefactive /rair euh fak tiv/, adj. /rair euh fak sheuhn/, n. 1. the act or process of rarefying. 2. the state of being rarefied. [1595 1605; < ML rarefaction (s. of rarefactio), equiv. to L rarefact(us) (ptp. of rarefacere;… … Universalium