also: エイチピー · エッチピー
noun
Only when written ＨＰ
Internet term; often used interchangeably with ホームページ, though technically ホームページ is a homepage and ＨＰ can refer to any web page or site.
See also: ホームページ
会社のＨＰをリニューアルしました。
We renewed our company website.
noun
Unit of power; used in automotive and engineering contexts.
See also: 馬力
このエンジンは２００ＨＰを発生する。
This engine produces 200 horsepower.
noun
half-pipe
Only when written ＨＰ
Sports term for a U-shaped ramp used in snowboarding, skateboarding, etc.
See also: ハーフパイプ
彼はＨＰで新しいトリックを練習している。
He is practicing a new trick on the half-pipe.
noun
hit point; health point
Video game term for a character's life or health meter.
ボス戦でＨＰが残りわずかになった。
My HP was almost gone during the boss fight.
Half-width variant, common in informal digital contexts.
ホームページ specifically means 'home page' (the main page of a site), while ＨＰ can refer to any web page or an entire website.
馬力 is the Japanese word for horsepower, while ＨＰ is the abbreviation borrowed from English.
ハーフパイプ is the full katakana term for half-pipe; ＨＰ is the abbreviated form.
Abbreviation from English initialisms: 'home page', 'horsepower', 'half-pipe', and 'hit point'.