ac
4 synonyms and 0 antonyms for ac, grouped by meaning and by how common each one is.
Noun — Common abbreviation for air conditioning or an air conditioner.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
An abbreviation, most commonly for "air conditioning" in everyday use.
Full origin of ac →Frequently asked questions
What does “ac” mean?
The word “ac” means common abbreviation for air conditioning or an air conditioner. In plain terms, short for air conditioning/air conditioner — this is by far the most common everyday use.
How do you use “ac” in a sentence?
Here is “ac” used in a sentence: “Can you turn the AC up? It's boiling in here.”
What part of speech is “ac”?
“Ac” is a noun.
Is “ac” a common word?
“Ac” is a fairly common word in modern English.
What is the difference between "AC" and "HVAC"?
AC is a common abbreviation for air conditioning or an air conditioner, which cools indoor air. HVAC is broader, standing for heating, ventilation and air conditioning, so it covers the whole climate system rather than just the cooling part.
Should "AC" be written in capital letters?
As an abbreviation of air conditioning, AC is usually written in capitals, though you may also see "a/c" or the informal "air con." Capital "AC" is the most widely recognised form in everyday writing.
What is the difference between "AC" and "air con"?
Both are short for air conditioning, but AC is more common in American English while "air con" is typical in British and Australian usage. They refer to the same thing: a system or unit that cools indoor air.