Definitions for micra
micra
mi·cra
Spelling: [mahy-kruh]
IPA: /ˈmaɪ krə/
Micra is a 5 letter English word.
It's valid Scrabble word worth 9 points.
It's valid Words with friends word worth 11 points.
You can make 77 anagrams from letters in micra (acimr).
Definitions for micra
noun
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a plural of micron.
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Also called micrometer. the millionth part of a meter. Symbol: μ, mu.
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Physical Chemistry. a colloidal particle whose diameter is between 0.2 and 10 microns.
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Physics. a very small unit of pressure, equal to that exerted by a column of mercury 1μ high.
Origin of micra
1880-85; Greek mīkrón a little, noun use of neuter singular of mīkrós small; see -on1
Examples for micra
Read off the number of divisions it occupies and express them as micra.