The Collaborative International Dictionary of English v.0.48:
Milliampere \Mil`li*am`p[`e]re"\ (m[i^]l"l[i^]*[aum]N`p[^a]r"), n. [Milli- + amp[`e]re.] (Elec.) The thousandth part of one ampere. [1913 Webster]WordNet (r) 3.0 (2006):
milliampere n 1: one thousandth of an ampere [syn: milliampere, mA]