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microammeter
microammeter n. 
/ˌmʌɪkrəʊˈamˌmiːtə/,
Brit. /ˌmʌɪkrəʊˈamiːtə/
, /ˌmʌɪkrəʊˈamiːtə//ˌmʌɪkrəʊˈamˌmiːtə/U.S. /ˌmaɪkroʊˈæ(m)ˌmidər/
/ˌmaɪkroʊˈæ(m)ˌmidər/ΚΠ
1913 Proc. Royal Soc. 1912–13 B. 86 350 A Paul micro-ammeter.
1930 Ecology 11 61 The radiometer..consists of a constantan-silver thermopile, a portable microammeter, and a small resistance box.
1987 Jrnl. Econ. Hist. 47 348 In studying the emission characteristics of thoriated-tungsten filaments, he used a simple vacuum tube and a microammeter to make measurements.
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