a conducting enclosure, usually cylindrical, held at a constant potential so that electrons or charged particles within will experience no force, and therefore no change in velocity.Compare Klystron.
Origin Story: Why We Call Them “Emmys”
Many viewers know the names and faces of the actors and actresses that walk the red carpet at the Emmy Awards, but few are familiar with the story behind the true star of the show: Emmy. Where does this popular awards show get its name? What are the Emmys named for? The word Emmy refers to the statuette that’s handed out during the awards ceremony. …
Read more in this article about some frequently asked questions and fun facts related to our definitions.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
physics a hollow cylindrical electrode to which a radio-frequency voltage is applied in a linear accelerator
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