ac

word

/ˈeɪˈsi/
/ˈeɪˈsi/

Definition

"AC" is a common abbreviation for "air conditioning" (a system that cools indoor air) or "alternating current" (a type of electric current that reverses direction).

Usage & Nuances

"AC" is used informally for "air conditioning" and technically for "alternating current" (especially in science or electricity). In conversation, "AC" almost always means "air conditioner" unless discussing electricity.

Example Sentences

If the AC goes out in summer, it's a nightmare.

natural

Can you turn on the AC? It's really hot in here.

basic

The AC stopped working last night.

basic

Modern homes use AC for comfort and cooling.

basic

The office AC is always too cold for me.

natural

Most electronics run on AC, not DC.

natural