retrognathism ret·ro·gnath·ism (rě’t’rō-nāth’ĭz’əm) n. A condition of facial disharmony in which one or both jaws are posterior to their normal positions. ret’ro·gnath’ic adj.
[re-troh-grey-dey-shuh n] /ˌrɛ troʊ greɪˈdeɪ ʃən/ noun 1. backward movement. 2. decline or deterioration.
adjective 1. moving backward; having a backward motion or direction; retiring or retreating. 2. inverse or reversed, as order. 3. Chiefly Biology. exhibiting degeneration or deterioration. 4. Astronomy. moving in an orbit in the direction opposite to that of the earth in its revolution around the sun. appearing to move on the celestial sphere in […]
noun 1. a memory disorder characterized by an inability to remember events or experiences that occurred before a significant point in time. retrograde amnesia noun 1. amnesia caused by a trauma such as concussion, in which the memory loss relates to material learnt before the trauma Compare anterograde amnesia retrograde amnesia n. A condition in […]
- Retrograde beat
retrograde beat n. A beat occurring as a contraction of a portion of a heart chamber cephalad to the chamber of origin.