total lung capacity definition
total lung capacity (TLC). Definitions: 1. the inspiratory capacity plus the functional residual capacity; the volume of air contained in the lungs at the end of a maximal inspiration; also equals vital capacity plus residual volume.The definition information for total lung capacity is provided by Stedman's.efinitions: 1. the inspiratory capacity plus the functional residual capacity; the volume of air contained in the lungs at the end of a maximal inspiration; also equals vital capacity plus residual volume.