attowatt

A1T1T1O1W4A1T1T1

noun

An SI unit of power equal to 10⁻¹⁸ watts. Symbol: aW

Similar
aW
Scrabble 11
Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounattowatt (plural attowatts)

plural attowatts

  1. metrologyAn SI unit of power equal to 10⁻¹⁸ watts. Symbol: aW

    Synonyms: aW

Synonyms & antonyms

nounAn SI unit of power equal to 10⁻¹⁸ watts. Symbol: aW

Similar
aW

Origin

From atto- + watt.

Full word history & related roots →
Cite this entry
APA

attowatt. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/attowatt

MLA

“attowatt.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/attowatt. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “attowatt,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/attowatt.

Source: attowatt on Wiktionary, CC BY-SA 4.0.