## rate

https://doi.org/10.1351/goldbook.R05136
@D01614@ in which time is a denominator quantity. Rate of $$x$$ is $$\frac{\text{d}x}{\text{d}t}$$.
Source:
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 988 [Terms] [Paper]