Dictionary.com

tetrode

[ te-trohd ]
/ ˈtɛ troʊd /
Save This Word!

noun Electronics.
a vacuum tube containing four electrodes, usually a plate, two grids, and a cathode.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of tetrode

First recorded in 1900–05; tetr- + -ode1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for tetrode

tetrode
/ (ˈtɛtrəʊd) /

noun
an electronic valve having four electrodes, namely a cathode, control grid, screen grid, and anode
(modifier) (of a transistor) having two terminals on the base or gate to improve the performance at high frequencies
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

Scientific definitions for tetrode

tetrode
[ tĕtrōd′ ]

A four-element electron tube containing an anode, cathode, control grid, and additional electrode called the screen. They function in the same manner as triode, but are more effective at higher frequencies due to the effect of the screen. See more at screen. See also pentode.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK