femtosegundo
[fẽmt̪oseˈɣ̞ũn̪d̪o]
The verdict
“femtosegundo” is uncommon Spanish (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency Spanish
- 12
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Unidad de tiempo que equivale a la milbillonésima parte de un segundo, ó 10⁻¹⁵ segundos.
Corpus desk
Index ES-femtosegundo · femtosegundo · Spanish
femtosegundo · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-MEGA 12 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "F" thin
- PHOTO-UNK Peer pending
Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.
| Property | Value |
|---|---|
| Headword | femtosegundo |
| Language | Spanish |
| Part of speech | Noun |
| IPA | [fẽmt̪oseˈɣ̞ũn̪d̪o] |
| Letters | 12 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Cola larga: rango de “femtosegundo” en español
Rare enough to double-check
femtosegundo is uncommon Spanish outside the top frequency list, classed as anoun, transcribed [fẽmt̪oseˈɣ̞ũn̪d̪o]. Rarity is why readers land here mid-draft. Gloss: "Unidad de tiempo que equivale a la milbillonésima parte de un segundo, ó 10⁻¹⁵ segundos.".
We couldn't generate a plausible misspelling set for femtosegundo, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, a sign it's visually distinctive enough not to be mixed up with another word.
No explicit etymology string is stored for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct Spanish form is femtosegundo, spelled F-E-M-T-O-S-E-G-U-N-D-O.
Definition
- 1Unidad de tiempo que equivale a la milbillonésima parte de un segundo, ó 10⁻¹⁵ segundos.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.