Definition of "voltmeter" []

• An instrument for measuring potential differences in volts. (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.

• "Oh, and as you seem to be technically uneducated a voltmeter is high impedance, it measures voltage (hence the name), it doesn’t apply a voltage."
• "I would get a digital AC voltmeter and plug it into the wall permanently, so you could glance up and see the voltage."
• "Yesterday I spent outside all day learning how to change my oil, change a tire, fix my taillights (wish I had a voltmeter with me though), and take apart my door to attempt to fix the automatic windows (we got the driver's side working!)"