Term
Definition
A
Ampere
AC
Alternating current. Electric current that alternates or reverses polarity in a cyclical manner (e.g. 60 Hertz AC power)
Ampere
A standard unit of current. Defined as the amount of current that flows when one volt of electromotive force (EMF) is applied across one ohm of resistance. One ampere of current is produced by one coulomb of charge passing a point in one second.
C
Capacitance (electrical). Celsius (temperature).
Farad
A unit of capacity that will store one coulomb of electrical charge when one volt of electrical pressure is applied.
M'
Notation representing 1000 feet.
Mega
Prefix meaning million.
Micro
Prefix meaning one-millionth.
Micron
Millionth of a meter.
Mil
A unit of length equal to one thousandth of an inch (.001").
Milli
Prefix meaning one-thousandth.
Nano
One-billionth.
Nanometer (nm)
One billionth of a meter.