kilogram love

# kilogram

## Definitions

### from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The base unit of mass in the International System, equal to 1,000 grams (2.2046 pounds).
• noun Kilogram force.

### from The Century Dictionary.

• noun The ultimate standard of mass in the French system of weights and measures, equal to 1,000 grams; the mass of a certain cylinder of platinum deposited in the Archives of France on the 22d of June, 1799, and thence known as the Kilogramme des Archives.

### from the GNU version of the Collaborative International Dictionary of English.

• noun A measure of weight, being a thousand grams, equal to 2.2046226 pounds avoirdupois (15,432.34 grains). It is equal to the weight of a cubic decimeter of distilled water at the temperature of maximum density, or 39° Fahrenheit.

• noun In the International System of Units, the base unit of mass; the mass of a specific cylinder of platinum-iridium alloy kept at the International Bureau of Weights and Measures in France. Symbol: kg
• noun proscribed Hence, the unit of weight such that one-kilogram mass is also a one-kilogram weight.

• noun one thousand grams; the basic unit of mass adopted under the Systeme International d'Unites

## Etymologies

From French kilogramme, composed of kilo- + gramme.

## Examples

• The only SI unit still maintained by a physical artifact: a platinum-iridium bar kept in the International Bureau of Weights and Measures at Sevres, France.

February 5, 2010

• "The kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed

numerical value of the Planck constant h to be 6.626 070 15 × 10–34 when expressed

in the unit J s, which is equal to kg m2 s

–1

, where the metre and the second are

defined in terms of c and ∆νCs."

Nov 2018 redefinition of kilogram.

Mandatory XKCD comic: https://xkcd.com/2073/

November 17, 2018