formaldehído
[foɾmal̪d̪eˈið̞o]
The verdict
“formaldehído” is uncommon Spanish (frequency #65,386 among 18,759 “F” headwords), classed as a noun. The kind of spelling people second-guess.
- #65,386
- frequency rank, Spanish
- 18,759
- “F” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Resultante de la oxidación del alcohol metílico. Su fórmula es H2C=O y es un gas incoloro, de olor picante, altamente volátil e inflamable, que se vuelve líquido a menos de 21 grados centígrados ba...
| Property | Value |
|---|---|
| Headword | formaldehído |
| Language | Spanish |
| Part of speech | Noun |
| IPA | [foɾmal̪d̪eˈið̞o] |
| Letters | 12 |
| Frequency rank | #65,386 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “formaldehído” sits in Spanish frequency
Rare enough to double-check
formaldehído is uncommon Spanish at frequency #65,386 among 18,759 “F” headwords, classed as anoun, transcribed [foɾmal̪d̪eˈið̞o]. Rarity is why readers land here mid-draft. Gloss: "Resultante de la oxidación del alcohol metílico. Su fórmula es H2C=O y es un gas incoloro, de olor picante, altamente volátil e inflamable, que se vuelve líquido a menos de 21 grados centígrados ba...".
The misspelling generator found no plausible variants for formaldehído, a straightforward case of a spelling with little room for common typos. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.
No explicit etymology string is stored for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct Spanish form is formaldehído, spelled F-O-R-M-A-L-D-E-H-Í-D-O.
Definition
- 1Resultante de la oxidación del alcohol metílico. Su fórmula es H2C=O y es un gas incoloro, de olor picante, altamente volátil e inflamable, que se vuelve líquido a menos de 21 grados centígrados bajo cero. Es de uso muy versátil en la industria química.
Synonyms
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "formaldehído"?
What does "formaldehído" mean?
How do you pronounce "formaldehído"?
What language does "formaldehído" come from?
Is PlainSpell free to use?
Using “formaldehído”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Spanish spelling is F-O-R-M-A-L-D-E-H-Í-D-O - every other letter order is a misspelling in standard orthography.
- Say it as [foɾmal̪d̪eˈið̞o] (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more Spanish words and confusable pairs in the same reference. Spanish words
Other uncommon Spanish words near this rank
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.