ammeter
a mee ter
- n a meter that measures the flow of electrical current in amperes
- Chosen to compile the book were Norris and Ross McWhirter, twin grandsons of Scottish Inventor William McWhirter, who built the first in dicating voltmeter and ammeter.
- Throwing a switch and turning a large knob till an ammeter on the dashboard shows a maximum reading is the whole tuning up process.
- Although simpler and quicker than X ray, the locator (which is attached to a sensitive ammeter) had hitherto been considered too crude for such fine work.