micron
pronunciation
How to pronounce micron in British English: UK [ˈmaɪkrɒn]
How to pronounce micron in American English: US [ ˈmaɪkrɑːn]
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- Noun:
- a metric unit of length equal to one millionth of a meter
Word Origin
- micron (n.)
- "one millionth of a meter," 1892, coined 1880 in French from Greek mikron, neuter of mikros "small" (see mica).
Example
- 1. These grains were about half a micron in size , far bigger than previously thought .
- 2. Ash particles are normally in the 50-100 micron ( 0.05 to 0.1 millimetre ) range .
- 3. That problem was due largely to the fact that the coating was only a fraction of a micron ( millionth of a metre ) thick .
- 4. And it makes predictions ; at micron scales the attraction between two masses will no longer depend on the square of the distance between them in the way that physicists since newton have required it to .
- 5. As a result , the makers have developed a generation of cells whose silicon layers are only a micron or two deep , as opposed to the usual thickness of 200-300 microns .