tet·rode | \ ˈte-ˌtrōd 
\
\Definition of tetrode
: a vacuum tube with a cathode, an anode, a control grid, and an additional grid or other electrode
Keep scrolling for more
Comments on tetrode
What made you want to look up tetrode? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Farm Idioms Quiz
- What does 'poke' refer to in the expression 'pig in a poke'?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share tetrode
Time Traveler for tetrode
The first known use of tetrode was in 1886
See more words from the same year