definition of
volume

[1] #1 volume n. the amount of 3-dimensional space occupied by an object; "the gas expanded to twice its original volume". wn

[2] #2 volume n. [bulk, mass] the property of something that is great in magnitude; "it is cheaper to buy it in bulk"; "he received a mass of correspondence"; "the volume of exports". wn

[3] #3 volume n. [book] physical objects consisting of a number of pages bound together; "he used a large book as a doorstop". wn

[4] #4 volume n. a publication that is one of a set of several similar publications; "the third volume was missing"; "he asked for the 1989 volume of the Annual Review". wn

[5] #5 volume n. a relative amount; "mix one volume of the solution with ten volumes of water". wn