Definition of "transistor" []

• A small electronic device containing a semiconductor and having at least three electrical contacts, used in a circuit as an amplifier, detector, or switch. (noun)
• A transistor radio. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "As their colleagues watched with a mix of wonder and envy, they showed how their gizmo, which was dubbed a transistor, could take an electric current, amplify it, and switch it on and off."
• "The leak-free transistor is made from a "nano-ribbon" of graphene less than 10 nanometres wide and just a single carbon atom thick (0.1 nm)."
• "Gordon Moore, co-founder of the company and father of the law that bears his name, called it the biggest change in transistor technology since the 1960s."