( n. )
The manifoldness with which the fundamental units of time, length, and mass are involved in determining the units of other physical quantities.
( n. )
The manifoldness with which the fundamental units of time, length, and mass are involved in determining the units of other physical quantities.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012