## flow rate

of a quantity
https://doi.org/10.1351/goldbook.F02441
Quantity $$X$$ (e.g. heat, amount, mass, volume, ...) transferred in a time interval divided by that time interval. General symbols: $$q_{X}$$, $$\overset{.}{X}$$.
Source:
Green Book, 2nd ed., p. 65 [Terms] [Book]