1. [ noun ] the amount of 3-dimensional space occupied by an object

"the gas expanded to twice its original volume"

Related terms: measure capacity volume_unit
2. [ noun ] the property of something that is great in magnitude
Synonyms: mass bulk

"it is cheaper to buy it in bulk" "he received a mass of correspondence" "the volume of exports"

Related terms: magnitude dollar_volume
3. [ noun ] (books as a physical objects) a number of pages bound together
Synonyms: book

"he used a large book as a doorstop"

Related terms: product notebook paperback picture_book sketchbook paperback album order_book journal hardback folio novel coffee-table_book binding
4. [ noun ] (writing) 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"

Related terms: publication set
5. [ noun ] a relative amount

"mix one volume of the solution with ten volumes of water"

Related terms: measure
6. [ noun ] the magnitude of sound (usually in a specified direction)
Synonyms: intensity loudness

"the kids played their music at full volume"

Related terms: softness sound_property crescendo forte loud soft