follow Dictionary.com

Why turkey has the same name as Turkey

electron lens

noun
1.
a combination of static or varying electric and magnetic fields, used to focus streams of electrons in a manner similar to that of an optical lens.
Origin
1930-1935
1930-35
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for electron lens

electron lens

noun
1.
a system, such as an arrangement of electrodes or magnets, that produces a field for focusing a beam of electrons
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
Cite This Source

Word of the Day

Word Value for electron

10
13
Scrabble Words With Friends