gray-scale ultrasonography n.
Ultrasonography that displays small differences in an acoustical impedance as if they were different shades of gray.
noun 1. a grayish-brown sea eagle, Haliaetus albicilla, of the Old World and Greenland, having a white tail.
noun 1. a skate, Raja batis, of coastal seas off Great Britain.
noun 1. a snapper, Lutjanus griseus, of shallow waters off the coast of Florida, having a grayish-green body with a brown spot on each scale.
- Grayson kirk
[kurk] /kɜrk/ noun 1. Grayson (Louis) 1903–1997, U.S. educator: president of Columbia University 1953–68. 2. a male given name. /kɜːk; Scottish kɪrk/ noun 1. a Scot word for church 2. a Scottish church /kɜːk; Scottish kɪrk/ noun 1. (informal) the Kirk, the Presbyterian Church of Scotland /kɜːk/ noun 1. Norman. 1923–74, prime minister of New […]