[ aw-toh-kol-uh-mey-ter ]
/ ˌɔ toʊˈkɒl əˌmeɪ tər /
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an instrument combining the functions of a telescope and collimator, for detecting and measuring very small deviations in a beam of light.
QUIZ YOURSELF ON “ITS” VS. “IT’S”!
Apostrophes can be tricky; prove you know the difference between it’s and its in this crafty quiz!
Question 1 of 12
On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021