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[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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for autocollimator
  • Optical polygons are calibrated using an indexing table stack, an autocollimator and circle closure measurement techniques.

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