疎密波
そみつは
- compressional wave; longitudinal wave; dilatational wave; wave of condensation and rarefaction n physics
Kanji
疎
ソ • ショ
うと.い • うと.む • まば.ら
alienate; rough; neglect; shun; sparse; penetrate
密
ミツ
ひそ.か
secrecy; density (pop); minuteness; carefulness
波
ハ
なみ
waves; billows; Poland