Attribute of a phenomenon, body or substance that may be distinguished qualitatively
and determined quantitatively.
Notes:
-
The term quantity may refer to a quantity in a general sense, for example length,
mass, or to a particular quantity, for example length of a particular rod, mass of
a specified object.
-
The term kind-of-quantity refers to the abstract concept of a quantity common to a group of related quantities.
Source:
PAC, 1996, 68, 957
(Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations
1996))
on page 987