Function: noun
Date: circa 1890
: a ratio indicating the relation of the volume of carbon dioxide given off in respiration to that of the oxygen consumed
Function: noun
Date: circa 1890
: a ratio indicating the relation of the volume of carbon dioxide given off in respiration to that of the oxygen consumed
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012