Micrometer
/maɪˈkɹɑmɪtəɹ/
"Micrometer" in a Sentence (3 examples)
You'll need a micrometer to measure the change in length.
A micrometer is one millionth of a meter.
In a report, published in the magazine Nature, a group of scientists say that X-ray and spectroscopic analysis of a small diamond found in magma from a Brazilian volcano showed a 40 micrometer speck of a mineral called ringwoodite.