noun:

• H; h

adjectival noun / noun:

• indecent; lewd; frisky; sexy - from 変態 - usually written using kana alone ➜ 変態【へんたい】

noun / ~する noun:

• sexual intercourse; copulation - usually written using kana alone - colloquialism

prefix:

• nth year in the Heisei era (1989.1.8-) - abbreviation ➜ 平成

noun:

• hydrogen (H) ［Ｈ］ - abbreviation