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Micrometer | Definition, Conversion, & Facts - Britannica
micrometre, metric unit of measure for length equal to 0.001 mm, or about 0.000039 inch . Its symbol is μm. The micrometre is commonly employed to measure the thickness or diameter of microscopic objects, such as microorganisms and colloidal particles.
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www.britannica.com
Micrometre - Wikipedia
The micrometre is a common unit of measurement for wavelengths of infrared radiation as well as sizes of biological cells and bacteria.
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en.wikipedia.org
micrometre - Wiktionary, the free dictionary
micrometre (plural micrometres). An SI and mks unit of measure, the length of one-millionth of a metre. Symbol: μm, um, μ. Alternative form: micrometer (US) ...
en.wiktionary.org
en.wiktionary.org
micrometre
micrometre (ˈmaɪkrəʊmiːtə(r)) Also (U.S.) -meter. [f. micro- 5 a + metre n.2] A millionth of a metre: = micron. The word has only recently become common (cf. quot. 1968), and now forms part of the International System of Units.1880 Jrnl. R. Microsc. Soc. III. 327 The same reasoning..leads us, howeve...
Oxford English Dictionary
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“Micrometer” or “Micrometre”—What's the difference? - Sapling
“Micrometer” is predominantly used in American (US) English ( en-US ) while micrometre is predominantly used in British English (used in UK/AU/NZ) ( en-GB ).
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Micrometre - Simple English Wikipedia, the free encyclopedia
A micrometre (the American spelling is micrometer; symbol is µm) is a unit of length in the SI measurement system. It can also be called a micron.
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simple.wikipedia.org
micrometre noun - Definition, pictures, pronunciation and usage notes
(US English micrometer) (symbol μm) a unit for measuring length, equal to one millionth of a metre.
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www.oxfordlearnersdictionaries.com
micrometre | micrometer, n. meanings, etymology and more
The earliest known use of the noun micrometre is in the 1880s. OED's earliest evidence for micrometre is from 1880, in Journal of Royal Microscopical Society.
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www.oed.com
How to Pronounce μm (Micrometre) - YouTube
... (Micrometre) I also make 'dictionary' videos about the Meaning and Definition of English expressions (What does this mean?): https://www ...
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www.youtube.com
How to Use a Micrometer - Metal Supermarkets
A micrometer is a measuring device used to measure flat surfaces or different geometries. For example, the inner diameter or thickness of a pipe.
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www.metalsupermarkets.com
Microscale (disambiguation)
Microscale is defined at the micrometre level spanning 0.1–100μm.
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en.wikipedia.org
micron
micron (ˈmaɪkrɒn) Also † mikron. [ad. Gr. µῑκρόν, neut. of µῑκρός small.] The one-millionth part of a metre; denoted by the symbol µ. In the International System of Units the word has been replaced by micrometre.[1880 Procès-Verbaux des Séances du Comité Internat. des Poids et Mesures 1879 41 Le Com...
Oxford English Dictionary
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Micrometer
Micrometer can mean:
Micrometer (device), used for accurate measurements by means of a calibrated screw
Micrometre, a millionth of a metre
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en.wikipedia.org
Layer (electronics)
A depth of less than one micrometre is generally called a thin film while a depth greater than one micrometre is called a coating.
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en.wikipedia.org
Lambda (unit)
This use of λ parallels the pre-SI use of μ on its own for a micrometre and γ for a microgram.
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en.wikipedia.org