Acronym of {{w|dot=,}} formerly, one of three former divisions of the US airforce, the others being SAC and TAC.
Acronym of {{w}}
Noun
Initialism of maximum allowable concentration the maximum concentration of a pollutant which is considered harmless to healthy adults during their working hours, assuming they breathe uncontaminated air at all other times.
Multiply and accumulate: a hardware module found in Digital Signal Processors which performs a multiplication and adds the result of that operation to an accumulator, in a single cycle. Used extensively in implementations of digital filters, transforms and codecs.