[ uh-pis-kuh-tis-ter, ep-i-skuh-tis-ter ]
/ əˈpɪs kəˌtɪs tər, ˌɛp ɪ skəˈtɪs tər /
a disk with a sector removed that when rotated in front of a light source allows the periodic passage of flashes of light: used in studying the motion of a body.
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Words nearby episcotister
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020