Ｓ

Reading

Kana: エス

Romaji: esu

Definitions

noun

1

letter "S" (abbr. for sister, south, steam, etc.)

Note: abbreviation

2

sadistic; sadist

Note: abbreviation

Example Sentence

先程(さきほど)のはＰ波(なみ)でした。Ｓ波(なみ)が来(き)ます。

➥That was the P-wave just now. The S-wave is coming.