To talk a great deal. / To convey significant information beyond what is explicit, especially unintentionally. / (of an action, situation, or object) To convey significant information.

The amount of air breathed in or out during normal respiration.

plural of tidal volume

(medicine) A medical-imaging modality, similar to traditional computed tomography imaging, which acquires data via a two-dimensional detector array and reconstructs the images directly into a volume representation of the patient.

(biology) The volume of unexpended air that remains in the lungs following maximum expiration.

(chemistry, physics) The volume occupied by one mole of a substance (especially of a gas)

(biology) The volume of air associated with different phases of the respiratory cycle.

plural of lung volume

present participle of speak volumes

Third-person singular simple present indicative form of speak volumes