Submitted by György Chityil ... on Fri, 01/19/2018 - 22:19 Hierarchy: NounDescription: {{alternative spelling of|from=US|femtometre|dot=:}} A length of 10<sup>-15</sup> of a meter, 1 quadrillionth of a meter.Ngram: femtometerNgram Text: femtometerSource: WiktionaryIssue: 0Wiktionary tag: alternative spelling offrom=USdot=:Ngram Count: 1
