Metric-system meaning

Any of various decimal systems of weights and measures; now, esp., the SI system, in which the centimeter, gram, and second or the meter, kilogram, and second are the basic units.
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A system of weights and measures that uses the gram, meter and liter as its primary units of weight, distance and capacity. The metric system is used all over the world except in the U.S., Liberia and Myanmar (formerly Burma). See space/time.COMMON METRIC EQUIVALENTSGrams Pounds Ounces gram .0022 .04 decagram (10) .0220 .35 hectogram (100) .2204 3.5 kilogram (1000) 2.2046 35.3 Liters 1 = 1.06 quarts 3.8 = 1 gallon Meters Feet 1 decameter (10 m) 33 1 hectometer (100 m) 328 1 kilometer (1000 m) 3281 Meters Inches 1 meter 39.37 1 centimeter .3937 1 millimeter .03937 1 micrometer .00003937 1 nanometer .00000003937
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A decimal system of units based on the meter as a unit length, the kilogram as a unit mass, and the second as a unit time.
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A decimal system of weights and measures based on the meter as a unit of length, the kilogram as a unit of mass, and the liter as a unit of volume.
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The system of measurements developed in France in the 1790s and now used worldwide.
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The modern version of that system, Systeme Internationale d'Unites (International System of Units), or SI system of measurements that is based on the base units of the meter/metre, the kilogram, the second, the ampere, the kelvin, the mole, and the candela.

See Appendix on SI Units.

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Any variant of that system, that was not codified as SI, such as cgs.
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Attributive form of metric system.

Metric-system proponent.

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