AC
Dictionary entry overview: What does AC mean?
• AC (noun)
The noun AC has 2 senses:
1. a radioactive element of the actinide series; found in uranium ores
2. an electric current that reverses direction sinusoidally
Familiarity information: AC used as a noun is rare.
Dictionary entry details
• AC (noun)
Meaning:
A radioactive element of the actinide series; found in uranium ores
Classified under:
Nouns denoting substances
Synonyms:
Ac; actinium; atomic number 89
Hypernyms ("Ac" is a kind of...):
chemical element; element (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)
Holonyms ("Ac" is a substance of...):
uranium ore (any ore from which uranium can be extracted)
Meaning:
An electric current that reverses direction sinusoidally
Classified under:
Nouns denoting natural phenomena
Synonyms:
alternating current; AC
Context example:
In the US most household current is AC at 60 cycles per second
Hypernyms ("AC" is a kind of...):
electrical energy; electricity (energy made available by the flow of electric charge through a conductor)
