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abwatt

abwatt

9.9
A small unit of power equal to 0.00001 watts
  • noun
  • /ˈæbˌwɑt/
  • Archaic
translation icon : abwatt
  • One abwatt is a very small unit of power.

Examples

  • One abwatt equals exactly 0.00001 watts in the SI system.

  • The device operates at a power of 5 abwatt.

  • Physicists rarely use the abwatt today, preferring watts for most applications.

  • The abwatt is used in older scientific literature to specify small amounts of power.

  • One abwatt is equal to one ten-thousandth of a watt, making it a very small unit of power.

  • In scientific discussions, the abwatt is often mentioned when referring to historical measurements of power.

  • To calculate electrical efficiency, it helps to know that one abwatt corresponds to a current of one abampere across one abvolt.

Surface Forms

abwatt singular
abwatts plural

Morphology

abwatt = watt (semi-transparent) = ab + watt

The form shows a relation to 'watt' via the technical CGS combining form 'ab-', so learners can infer it is a type of watt but not its exact scaling or technical context.

Etymology

Abwatt combines the prefix ab- (short for the old word 'absolute') and watt, the common unit of power. It was the small power unit in an older scientific system, so an abwatt is a very small watt equal to 0.00001 watts.