Personal computer (PC) — a computer intended for individual use.
新しいＰＣを買ったので、セットアップに時間がかかった。
I bought a new PC, so setting it up took some time.
レポートは家のＰＣで作成しました。
I prepared the report on my home PC.
ＰＣがウイルスに感染してデータが消えた。
My PC was infected by a virus and the data was lost.
Prestressed concrete — concrete in which internal stresses are introduced to counteract tensile stresses in service.
この橋はＰＣ（プレストレストコンクリート）で作られている。
This bridge is made of PC (prestressed concrete).
Precast concrete — concrete elements cast in a factory and later transported to the construction site.
工場で作ったＰＣ部材を現場に運んで組み立てる。
Precast concrete elements made in the factory are transported to the site and assembled.
Polycarbonate — a strong, transparent synthetic resin (abbreviation PC).
このヘルメットはＰＣ製のシールドが付いている。
This helmet has a shield made of PC (polycarbonate).
Political correctness (PC) — the practice or concern of avoiding language or actions that exclude, marginalize, or insult groups of people.
企業の研修でＰＣ（ポリティカルコレクトネス）について学んだ。
I learned about PC (political correctness) in company training.
Patrol car / police car — abbreviation for vehicle used by police for patrol duties.
事故現場にＰＣ（パトロールカー）が到着した。
A PC (patrol car) arrived at the accident scene.
Public comment — abbreviated PC; a system for citizens to submit opinions or comments to administrative bodies.
市役所にＰＣ（パブリックコメント）を提出した。
I submitted a public comment to the city office.
Player character (PC) — the character controlled by the player in a game.
オンラインゲームで私のＰＣはレベル30だ。
In the online game my PC (player character) is level 30.
プレイ中にＰＣの装備を変更した。
I changed my PC's equipment during play.