autocollimator
[ aw-toh-kol-uh-mey-ter ]
/ ˌɔ toʊˈkɒl əˌmeɪ tər /
noun Optics.
an instrument combining the functions of a telescope and collimator, for detecting and measuring very small deviations in a beam of light.
Origin of autocollimator
Words nearby autocollimator
autocide,
autoclasis,
autoclave,
autocoid,
autocollimation,
autocollimator,
autocomplete,
autocorrect,
autocorrelation,
autocracy,
autocrat