Automotive Glossary


Automotive words, phrases and abbreviations.

Browse the glossary using this index

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A

Amperage

Strength of an electrical current in amperes.

Ampere (Amp)

Electrical unit for measuring the flow of electricity in a circuit.

Ampere-hour-rate

Discharge rate used to describe what a battery will produce. For example, a 40Ah battery will produce 2A for 20Hrs. The 20hrs is an agreed value used to allow comparisons to be made.

Amplification

An increased electrical voltage and/or current compared to say the original signal.

Amplifier

An electronic device that increases or allows an increased electrical voltage and/or current to flow.

Amplitude

The maximum distance moved by a point on a vibrating body or wave measured from its equilibrium position. It is equal to one-half the length of the vibration path i.e. half the peak to peak value of a wave.

Amps

Short for Ampere (unit of electrical current)

Anaerobic

Used to describe a sealant that dries when air or oxygen is excluded.

Analog

A measuring process that uses a variable electrical current to provide a signal for computers and instruments.

Analog Gauge

An instrument readout that displays using a moving needle or similar method.


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