ER

1. Acronym for Equivalence ratio
2. Acronym for an ellipsoidal reflector lamp

ERBP

Acronym for Equilibrium reflux boiling point

Ergonomics

[Gr. lit The law of work] Technically, it means the biotechnology study of how human beings relate to their surroundings and how efficiently they perform in that environment. However, the meaning has also come to be used in a qualitative sense so that a vehicle has good or bad ergonomics meaning that the controls, switches, instruments, seats, pedals, and Steering wheel suit the human Driver.

Ergopower shifter

Campagnolo's integrated Bicycle brake levers/shifter levers which provides the ability to shift gears without taking your hands off of the Handlebars.

Erode

To remove a surface layer (by chemical action or by rubbing)

Erosion

A reduction in size of an object because of a liquid or gas impact on the object.

Erosion control

Protecting the exposed surfaces of roadway slopes from harmful effects of runoff water and rain.

Error

See

• Barometric Error
• Driver error
• Lead error

Error Ratio

See

• Bit Error Ratio

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