SI
Synonym
: International system of units
Système International d'Unités
, the international system of units established in 1960 and based on seven base units for the quantities: length, time, mass,
electric current
,
thermodynamic temperature
,
amount of substance
and
luminous intensity
.
Source:
Green Book, 2nd ed., p. 69
See also:
PAC, 1996,
68
, 957
(Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996))
on page 995