aldehído

[al̪d̪eˈið̞o]

/[al̪d̪eˈið̞o]/ noun

The verdict

“aldehído” is uncommon Spanish (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency Spanish
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - cualquiera de la clase de compuestos químicos orgánicos de propiedades reductoras resultante del reemplazo de dos átomos de hidrógeno a un alcohol primario, o de dos hidrógenos por uno de oxígeno d...

Corpus desk

Index ES-aldehido · aldehído · Spanish

aldehído · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" 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.

Key facts for aldehído
PropertyValue
Headwordaldehído
LanguageSpanish
Part of speechNoun
IPA[al̪d̪eˈið̞o]
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “aldehído” en español

aldehídoestá más allá de las 100.000 formas más frecuentes del español, en la cola de léxico especializado o poco usado donde la duda ortográfica aprieta.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

aldehído is uncommon Spanish outside the top frequency list, classed as anoun, transcribed [al̪d̪eˈið̞o]. Rarity is why readers land here mid-draft. Gloss: "cualquiera de la clase de compuestos químicos orgánicos de propiedades reductoras resultante del reemplazo de dos átomos de hidrógeno a un alcohol primario, o de dos hidrógenos por uno de oxígeno d...".

No misspelling variants are generated for aldehído in our index, suggesting the orthography follows predictable Spanish patterns. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This entry's etymology isn't recorded, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Spanish form is aldehído, spelled A-L-D-E-H-Í-D-O.

Definition

  1. 1
    cualquiera de la clase de compuestos químicos orgánicos de propiedades reductoras resultante del reemplazo de dos átomos de hidrógeno a un alcohol primario, o de dos hidrógenos por uno de oxígeno de un grupo funcional primario (hidrocarburo).

Recorded use

Wiktionary example

These source excerpts show how aldehído appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Investigadoras de la Universidad del País Vasco (UPV/EHU) han descubierto por primera vez en alimentos la presencia de determinados aldehídos sospechosos de estar detrás de enfermedades neurodegenerativas y algunos tipos de cáncer.

Synonyms

alcanal

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.

Frequently Asked Questions

How do you spell "aldehído"?
"aldehído" is spelled A-L-D-E-H-Í-D-O. The IPA pronunciation is [al̪d̪eˈið̞o].
What does "aldehído" mean?
As a noun, "aldehído" means: cualquiera de la clase de compuestos químicos orgánicos de propiedades reductoras resultante del reemplazo de dos átomos de hidrógeno a un alcohol primario, o de dos hidrógenos por uno de oxígeno d...
How do you pronounce "aldehído"?
The IPA (International Phonetic Alphabet) transcription for "aldehído" is [al̪d̪eˈið̞o]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "aldehído" come from?
"aldehído" is a Spanish word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list