Word.ws English Dictionary

femtowatt

femtowatt noun: one quadrillionth (10⁻¹⁵) of a watt.

Noun

femtowatt (plural femtowatts)

  1. One quadrillionth (10⁻¹⁵) of a watt.

Forms of femtowatt

pluralfemtowatts

Origin of femtowatt

From femto + watt.

Questions about femtowatt

What does femtowatt mean?
Femtowatt means one quadrillionth (10⁻¹⁵) of a watt.
What part of speech is femtowatt?
Femtowatt is a noun.
What is the plural of femtowatt?
The plural of femtowatt is femtowatts.

Words near femtowatt in the dictionary

  1. femtotechnology
  2. femtotesla
  3. femtoteslas
  4. femtovolt
  5. femtovolts
  6. femtowatt
  7. femtowatts
  8. femullet
  9. femullets
  10. Femunaidhoo
  11. femur

Source and license

Adapted from Wiktionary: femtowatt (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “femtowatt.” Word.ws, https://word.ws/femtowatt. Based on Wiktionary, CC BY-SA 4.0.