fundamental quantity

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Related to fundamental quantity: derived quantity, Physical quantity

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Noun

fundamental quantity - one of the four quantities that are the basis of systems of measurement

fundamental measure

quantity, measure, amount - how much there is or how many there are of something that you can quantify

temperature - the degree of hotness or coldness of a body or environment (corresponding to its molecular activity)

mass - the property of a body that causes it to have weight in a gravitational field

length - the linear extent in space from one end to the other; the longest dimension of something that is fixed in place; "the length of the table was 5 feet"

period, period of time, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"

References in periodicals archive ?

However, there is nothing wrong with photometric quantities such as luminous flux, which is the most fundamental quantity, to measure light.

The case for luminous flux

The Hubble constant is a fundamental quantity that measures the current rate at which our universe is expanding.