(engineering) a method of testing for cracks and other defects in a magnetic material, such as steel, by covering it with a magnetic powder and magnetizing it: any variation in the concentration of the powder indicates a flaw in the material
noun 1. a phonograph pickup in which the vibrations of the stylus cause variations in or motions of a coil in a magnetic field that produces corresponding variations in an electrical voltage.
- Magnetic pick-up
noun 1. a type of record player pick-up in which the stylus moves an iron core in a coil, causing a changing magnetic field that produces the current
noun 1. the region of a magnet toward which the lines of magnetic induction converge (south pole) or from which the lines of induction diverge (north pole) 2. either of the two points on the earth’s surface where the dipping needle of a compass stands vertical, one in the arctic, the other in the antarctic. […]
[mah-geen-dah-nah-oh, muh-gin-duh-nou, muh-gin-duh-nou] /mɑˌgin dɑˈnɑ oʊ, məˈgɪn dəˌnaʊ, məˌgɪn dəˈnaʊ/ noun, plural Magindanaos (especially collectively) Magindanao. 1. a member of a Moro people of Mindanao in the Philippines. 2. the Austronesian language of the Magindanao.