picometre

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noun

An SI unit of length equal to 10⁻¹² metres. Symbol: pm

“Holonyms: nanometre < micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre < exametre < zettametre < yottametre < ronnametre < quettametre”

Similar
picometermicromicron
Scrabble 15
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Meanings

nounpicometre (plural picometres)

plural picometres

  1. metrologyAn SI unit of length equal to 10⁻¹² metres. Symbol: pm

    Holonyms: nanometre < micrometre < millimetre < centimetre < decimetre < metre < kilometre < megametre < gigametre < terametre < petametre < exametre < zettametre < yottametre < ronnametre < quettametre

Synonyms & antonyms

nouna metric unit of length equal to one trillionth of a meter

Similar
picometermicromicron
Broader
metric linear unit

Synonym sets from Open English WordNet, CC BY 4.0.

Rhymes & wordplay

Anagrams

emporeticproemetic
Cite this entry
APA

picometre. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/picometre

MLA

“picometre.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/picometre. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “picometre,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/picometre.

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