base unit
noun
plural base units
: one of a set of fundamental units in a system of measurement that is based on a natural phenomenon or established standard and from which other units may be derived
The base units of the International System of Units are the meter, kilogram, second, ampere, kelvin, mole, and candela.
compare absolute unit
Cite this Entry
“Base unit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/base%20unit. Accessed 26 Apr. 2025.
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