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Kilogram' means 'one thousand grams' [2] and is colloquially abbreviated to kilo. [3] The kilogram is an SI base unit, defined ultimately in terms of three defining constants of the SI, namely a specific transition frequency of 133 Cs, the speed of light, and the Planck constant.
The meaning of KILOGRAM is the base unit of mass in the International System of Units that is defined by setting the fixed numerical value of Planck's constant to 6.62607015 x 10—34 joule seconds. How to use kilogram in a sentence.
kilogram (kg), basic unit of mass in the metric system. A kilogram is very nearly equal (it was originally intended to be exactly equal) to the mass of 1,000 cubic cm of water. The pound is defined as equal to 0.45359237 kg, exactly.
For more than a century, the kilogram (kg) — the fundamental unit of mass in the International System of Units (SI) — was defined as exactly equal to the mass of a small polished cylinder, cast in 1879 of platinum and iridium.
noun. a unit of mass equal to 1,000 grams: the basic unit of mass in the International System of Units (SI). Up until 2019 the kilogram was defined as equal to the mass of an international prototype, a platinum-iridium cylinder kept in Sèvres, France.
For 130 years, the kilogram has been defined as the exact weight of a cylinder of platinum-iridium held in a triple-locked vault in Paris. Metrologists — experts in the science of...
The kilogram [b] is the base unit of mass in the International System of Units (SI). It is widely used in science, engineering, and commerce worldwide. The kilogram is exactly the mass of one litre of water. As of May 20, 2019, the definition of the kilogram is based on the Planck constant as 6.626 070 15 × 10 −34 kg⋅m 2 ⋅s −1. [1] [2]
A2. a unit of mass equal to 1,000 grams. Examples. One kilogram equals two point two pounds. One kilogram is roughly the same as 2.2 pounds. Their baby was born prematurely and weighed only one kilogram. I bought three kilograms of plums. These scales measure in kilograms. SMART Vocabulary: related words and phrases. Examples from literature.
A2. a unit of mass equal to 1,000 grams. Examples. One kilogram equals two point two pounds. One kilogram is roughly the same as 2.2 pounds. Their baby was born prematurely and weighed only one kilogram. I bought three kilograms of plums. These scales measure in kilograms. SMART Vocabulary: related words and phrases. Examples from literature.
noun. /ˈkɪləɡræm/. /ˈkɪləɡræm/. (British English also kilogramme) (also kilo) (abbreviation kg) a unit for measuring weight; 1 000 grams. 2 kilograms of rice. Flour is sold by the kilogram.