I said to the guy, “Why do they have to turn on the AC so high.”
I'm off to create podcasting gold with AC Jimbo—it should be up here before midnight.
The conference room suddenly felt very warm, and I wondered if the AC had gone out.
abbreviation of air conditioning, by 1966.
Latin ante cibum (before a meal)
The symbol for the element actinium.
Variant of ad-.
The symbol for actinium.
Abbreviation of alternating current
A silvery-white, highly radioactive metallic element of the actinide series that is found in uranium ores. It is about 150 times more radioactive than radium and is used as a source of alpha rays and neutrons. Its most stable isotope has a half-life of about 22 years. Atomic number 89; melting point 1,050°C (1,922°F); boiling point (estimated) 3,200°C (5,792°F); specific gravity (calculated) 10.07; valence 3. See Periodic Table.