Chladni figure

noun

physics a pattern formed by fine powder placed on a vibrating surface, used to display the positions of nodes and antinodes

Word Origin for Chladni figure

C19: named after Ernst Chladni (1756–1827), German physicist

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012