It's the quantity resulting from the division of one quantity by another
Quantities can 
be compared in ... Two basic divisions of quantity, magnitude and multitude, 
imply the principal distinction ... Two magnitudes of a continuous quantity stand in 
relation to one another as a ratio .... Wikiquote has quotations related to: Quantity
... [DOC] [TLE] Division (mathematics) - Wikipedia [PAR] Division is one of the four basic operations of arithmetic, the others being addition
, subtraction, and multiplication.