Definition for fundamental unit - Oxford Dictionaries Online (World English)

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	fundamental unit (fun¦da\|men¦tal unit) noun each of a set of unrelated units of measurement, which are arbitrarily defined and from which other units are derived. For example, in the SI system the fundamental units are the metre, kilogram, and second.		More words in this category AU bushel byte erg 1 GeV gigahertz hank horse inch 1 measurement megaton millibar nanosecond picosecond pint qt second 2 section troy weber Nearby Words fund manager funda fundal fundament fundamental fundamental frequency fundamental note fundamental particle fundamental tone fundamental unit fundamentalism fundamentally funded debt fundholding fundi ¹ fundi ² fundi ³ fundie funding