Noun | 1. | ![]() current unit - a measure of the amount of electric charge flowing past a circuit point at a specific time milliampere, mA - one thousandth of an ampere |
2. | AMP - a nucleotide found in muscle cells and important in metabolism; reversibly convertible to ADP and ATP nucleotide, base - a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA) |