a congenital heart defect resulting from failure of the foramen ovale to close shortly after birth.
noun 1. a hammer for dressing stone, having a head with two faces formed of a number of broad, thin chisels bolted side by side.
noun, Nautical. 1. any of various devices for determining the speed of a ship by means of a vaned rotor streamed at the end of a log line upon which it exerts a torsion transmitted to a registering device on board. noun 1. (nautical) any of several mechanical devices for measuring the speed of a […]
[pat-nt, pat-n or, esp. British, peyt-nt] /ˈpæt nt, ˈpæt n or, esp. British, ˈpeɪt nt/ noun 1. a hard, glossy, smooth leather, used especially in shoes and accessories. noun 1. leather or imitation leather processed with lacquer to give a hard glossy surface
[pat-nt or for 10, 12–15, peyt-; especially British peyt-nt] /ˈpæt nt or for 10, 12–15, ˈpeɪt-; especially British ˈpeɪt nt/ noun 1. the exclusive right granted by a government to an inventor to manufacture, use, or sell an invention for a certain number of years. 2. an invention or process protected by this right. 3. […]