synchroscope

[ sing-kruh-skohp ]
/ ˈsɪŋ krəˌskoʊp /

noun

an instrument for determining the difference in phase between two related motions, as those of two aircraft engines or two electric generators.

Origin of synchroscope

British Dictionary definitions for synchroscope

synchroscope

synchronoscope (sɪŋˈkrɒnəˌskəʊp)

/ (ˈsɪŋkrəˌskəʊp) /

noun

an instrument used to indicate whether two periodic quantities or motions are synchronous