pacchionian pac·chi·o·ni·an (pāk’ē-ō’nē-ən)
Relating to or described by Italian anatomist Antonio Pacchioni (1665-1726).
- Pacchionian depression
pacchionian depression n. Any of various small pits on the inner surface of the skull along the sagittal sinus that contain arachnoid granulations.
[peys] /peɪs/ noun 1. a rate of movement, especially in stepping, walking, etc.: to walk at a brisk pace of five miles an hour. 2. a rate of activity, progress, growth, performance, etc.; tempo. 3. any of various standard linear measures, representing the space naturally measured by the movement of the feet in walking: roughly […]
- Pace bowler
noun 1. (cricket) a bowler who characteristically delivers the ball rapidly
[peys] /peɪs/ noun 1. (in auto racing) an automobile that leads the competing cars through a pace lap or laps and leaves the course before the actual start of the race.