[ uhl-truh-mahy-krom-i-ter ]
/ ˌʌl trə maɪˈkrɒm ɪ tər /
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a micrometer calibrated to a very fine scale and capable of measuring extremely small magnitudes.
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Words nearby ultramicrometer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for ultramicrometer
/ (ˌʌltrəmaɪˈkrɒmɪtə) /
a micrometer for measuring extremely small distances
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012