subvocal speech sub·vo·cal speech (sŭb-vō’kəl)
Slight movements of the speech muscles, related to thinking but producing no sound.
adverb, Latin. 1. (used as a direction to a reference) under the specified word.
subvolution sub·vo·lu·tion (sŭb’və-lōō’shən) n. The surgical reversal of a flap of mucous membrane to prevent adhesion, as in the operation for pterygium.
noun 1. a secondary or subordinate system.
adjective 1. below the surface, especially of a body of water. noun 1. the layer just below the surface of water, the earth, etc