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Millimeter vs. Micron: What's the Difference?

Millimeter and Micron Definitions

Millimeter

A unit of length equal to one thousandth (10-3) of a meter, or 0.0394 inch. See Table at measurement.

Micron

A unit of length equal to one thousandth (10-3) of a millimeter or one millionth (10-6) of a meter. Also called micrometer.

Millimeter

Alternative spelling of millimetre

Micron

(physics) The thousandth part of one millimeter; the millionth part of a meter.

Millimeter

A lineal measure in the metric system, containing the thousandth part of a meter; equal to .03937 of an inch. See 3d Meter.
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Micron

(figurative) A very tiny amount.

Millimeter

A metric unit of length equal to one thousandth of a meter

Micron

(linguistics) breve

Micron

A measure of length; the thousandth part of one millimeter; the millionth part of a meter.

Micron

A metric unit of length equal to one millionth of a meter
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