... >> Mathematics >> General Math Terminology >> Meter
Definition: Any instrument used for measurement. The term is often compounded with a prefix to denote a specific type of meter: for example, ammeter, voltmeter, flowmeter, or pedometer. Some meters not only indicate but also integrate (that is, combine and summarize) and/or record measurements.
Source: The Hutchinson Unabridged Encyclopedia with Atlas and Weather guide. Abington: Helicon, 2010. Credo Reference. Web.