Dictionary.com

micrometer

1
[ mahy-krom-i-ter ]
/ maɪˈkrɒm ɪ tər /
Save This Word!

noun
any of various devices for measuring minute distances, angles, etc., as in connection with a telescope or microscope.
Also called mike. micrometer caliper . a precision instrument with a spindle moved by a finely threaded screw, for the measurement of thicknesses and short lengths, commonly used by machinists for turning shafts or boring holes.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.
Also especially British, mi·crom·e·tre .

Origin of micrometer

1
First recorded in 1660–70; micro- + -meter

Other definitions for micrometer (2 of 2)

micrometer2
[ mahy-kroh-mee-ter ]
/ ˈmaɪ kroʊˌmi tər /

noun

Origin of micrometer

2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use micrometer in a sentence

British Dictionary definitions for micrometer

micrometer
/ (maɪˈkrɒmɪtə) /

noun
any of various instruments or devices for the accurate measurement of distances or angles
Also called: micrometer gauge, micrometer calliper a type of gauge for the accurate measurement of small distances, thicknesses, diameters, etc. The gap between its measuring faces is adjusted by a fine screw, the rotation of the screw giving a sensitive measure of the distance moved by the face

Derived forms of micrometer

micrometry, nounmicrometric (ˌmaɪkrəʊˈmɛtrɪk) or micrometrical, adjective
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

Scientific definitions for micrometer (1 of 2)

micrometer1
[ mī-krŏmĭ-tər ]

A device for measuring very small distances, angles, or objects, especially one based on the rotation of a finely threaded screw, as in relation to a microscope.

Scientific definitions for micrometer (2 of 2)

micrometer2
[ mīkrō-mē′tər ]

A unit of length in the metric system equal to one millionth (10-6) of a meter. Also called micron
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK