interferometer
Concise Oxford English Dictionary © 2008 Oxford University Press:
interferometer /ˌɪntəfəˈrɒmɪtə/
▶noun Physics an instrument in which wave interference is employed to make precise measurements in terms of the wavelength.
– derivatives
interferometric adjective,
interferometrically adverb,
interferometry noun.
interferometric adjective,
interferometrically adverb,
interferometry noun.
'interferometer' also found in these Oxford entries:

