base kind of quantity

https://doi.org/10.1351/goldbook.B00603
A kind of quantity considered dimensionally independent of other kinds of quantities, i.e. it is not defined by an equation containing other kinds of quantities, e.g. length, mass, @A00297@.
Source:
PAC, 1979, 51, 2451. (Quantities and Units in Clinical Chemistry) on page 2459 [Terms] [Paper]