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Automotive glossary

Understand the concepts used in our guides and calculators. Documented definitions, examples, and related reading.

6 concepts

Energy and charging

Battery Electric Vehicle (BEV)

A vehicle propelled by electric motors powered by a battery that can be recharged from an external source.

Reviewed 05.10.2026
Energy and charging

Battery state of health (SoH)

An indicator of a battery’s condition relative to a reference and according to an assessment method.

Reviewed 05.10.2026
Nautical

Beam

Beam is a measurement of a vessel’s width. It is commonly given as the maximum width under a specified measurement definition.

Reviewed 05.10.2026
Nautical

Boat displacement

Displacement is the mass of water displaced by a floating boat, and is equal to the boat’s mass in that condition.

Reviewed 05.10.2026
Nautical

Boat length

Boat length is a longitudinal measurement of a vessel. The definition used must be stated, for example overall length or hull length.

Reviewed 05.10.2026
Safety

Braking distance

The distance a vehicle travels from the start of braking until it stops.

Reviewed 05.10.2026

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