defer to someone. â phrasal verb with defer us â /dÉªËfÉr/ verb [ T ] -rr-. âº to let another person decide, or to accept another personâs opinion, usually because you respect the knowledge or experience of that person: I deferred to Brian on the question of what to serve at the party. (Definition of âdefer to someoneâ from the Cambridge Academic Content Dictionary Â© Cambridge University Press)
In math, volume is the amount of space inside a three-dimensional object, or its capacity. A measurement of volume offers insight into how much liquid or how many physical objects a person can fit into an object. Knowing the volume of a truck is helpful when planning a move.
Definition of volume for Students. 1  1 : 1book 1. 2  2 : one of a series of books that together form a complete work or collection. 3  3 : an amount of space that can be measured in cubic units The volume of the box is three cubic feet.  4 : 2amount a high volume of 1  sales. 5 : a large amount He received volumes of mail.