electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds; "I talked to him on the telephone"
the capacity to understand a broad range of topics; "a teacher must have a breadth of knowledge of the subject"; "a man distinguished by the largeness and scope of his views"
the magnitude of sound (usually in a specified direction); "the kids played their music at full volume"
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"
the amount of 3-dimensional space occupied by an object; "the gas expanded to twice its original volume"
a relative amount; "mix one volume of the solution with ten volumes of water"
a part of a structure having some specific characteristic or function; "the spacious cooking area provided plenty of room for servants"
the extent of a 2-dimensional surface enclosed within a boundary; "the area of a rectangle"; "it was about 500 square feet in area"
a part of an animal that has a special function or is supplied by a given artery or nerve; "in the abdominal region"
a subject of study; "it was his area of specialization"; "areas of interest include..."
a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography); "it was a mountainous area"; "Bible country"