Function: noun
Date: 1918
: the emission of electrons from a surface that is bombarded by particles (as electrons or ions) from a primary source
Function: noun
Date: 1918
: the emission of electrons from a surface that is bombarded by particles (as electrons or ions) from a primary source
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012