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Micron vs. Micrometer

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Micronnoun

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

Micrometernoun

An SI/MKS unit of measure, the length of one millionth of a meter. Symbols: µm, um, rm.

Micronnoun

(figurative) A very tiny amount.

Micrometernoun

A device used to measure distance very precisely but within a limited range, especially depth, thickness, and diameter.

Micronnoun

(linguistics) lang=en

Micrometernoun

An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of objects which subtend minute angles. The measurement given directly is that of the image of the object formed at the focus of the object glass.

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Micronnoun

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

Micrometernoun

caliper for measuring small distances

Micronnoun

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

Micrometernoun

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

Micronnoun

a unit of length equal to one millionth of a metre, used in many technological and scientific fields.

Micrometernoun

a gauge that measures small distances or thicknesses between its two faces, one of which can be moved away from or towards the other by turning a screw with a fine thread.

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Micrometernoun

US spelling of micrometre

Micrometer

A micrometer, sometimes known as a micrometer screw gauge, is a device incorporating a calibrated screw widely used for accurate measurement of components in mechanical engineering and machining as well as most mechanical trades, along with other metrological instruments such as dial, vernier, and digital calipers. Micrometers are usually, but not always, in the form of calipers (opposing ends joined by a frame).

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