that part of a circuit that contains the cathode and the grid of a vacuum tube.
Our Favorite Viral Optical Illusions ExplainedRead more in this article about some frequently asked questions and fun facts related to our definitions.
Feels, Facepalm, And Fleek: New Words Added To The DictionaryIn our latest update to the dictionary, we added more than 150 new words and definitions, and revised over 1,000 entries. New additions such as feels, yaaas, and doge highlight the role of social media in transmitting and popularizing new terms, while fitness tracker, digital wallet, and Internet of Things demonstrate the new ways that technological innovation is changing the way we live and speak …
Origin of grid circuit
First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019