fusión de núcleo

[fuˈsjõn̪ d̪e ˈnukleo]

/[fuˈsjõn̪ d̪e ˈnukleo]/ noun

The verdict

“fusión de núcleo” is outside the top-ranked Spanish vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency Spanish
16
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Tipo de accidente grave en un reactor nuclear, en el que el combustible cambia de estado sólido a líquido por efecto del calentamiento del combustible, éste puede ser debido a un aumento de potenci...

Key facts for fusión de núcleo
PropertyValue
Headwordfusión de núcleo
LanguageSpanish
Part of speechNoun
IPA[fuˈsjõn̪ d̪e ˈnukleo]
Letters16
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “fusión de núcleo” sits in Spanish frequency

fusión de núcleo falls outside the top-100,000 ranked Spanish words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The Spanish entry for fusión de núcleo is 16 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as [fuˈsjõn̪ d̪e ˈnukleo]. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Tipo de accidente grave en un reactor nuclear, en el que el combustible cambia de estado sólido a líquido por efecto del calentamiento del combustible, éste puede ser debido a un aumento de potenci...".

No misspelling variants are generated for fusión de núcleo in our index, suggesting the orthography follows predictable Spanish patterns. It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

No explicit etymology string is stored for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. For readers arriving here from a spelling check, the authoritative guidance is: the correct Spanish form is fusión de núcleo, spelled F-U-S-I-Ó-N- -D-E- -N-Ú-C-L-E-O, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Tipo de accidente grave en un reactor nuclear, en el que el combustible cambia de estado sólido a líquido por efecto del calentamiento del combustible, éste puede ser debido a un aumento de potencia o la imposibilidad de ser refrigerado.

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.

Cite this page

Free to reuse with attribution (CC BY-SA). Copy the citation:

PlainSpell, “fusión de núcleo, Spanish word data” (May 6, 2026). Derived from Wiktionary (kaikki.org, CC BY-SA) and an open word-frequency list. https://plainspell.com/es/palabra/fusion-de-nucleo

Frequently Asked Questions

How do you spell "fusión de núcleo"?
"fusión de núcleo" is spelled F-U-S-I-Ó-N- -D-E- -N-Ú-C-L-E-O. The IPA pronunciation is [fuˈsjõn̪ d̪e ˈnukleo].
What does "fusión de núcleo" mean?
As a noun, "fusión de núcleo" means: Tipo de accidente grave en un reactor nuclear, en el que el combustible cambia de estado sólido a líquido por efecto del calentamiento del combustible, éste puede ser debido a un aumento de potenci...
How do you pronounce "fusión de núcleo"?
The IPA (International Phonetic Alphabet) transcription for "fusión de núcleo" is [fuˈsjõn̪ d̪e ˈnukleo]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "fusión de núcleo" come from?
"fusión de núcleo" 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.

Using “fusión de núcleo”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct Spanish spelling is F-U-S-I-Ó-N- -D-E- -N-Ú-C-L-E-O - every other letter order is a misspelling in standard orthography.
  • Say it as [fuˈsjõn̪ d̪e ˈnukleo] (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

Nearby Spanish words

Other entries that begin with the letter F in our Spanish index:

Explore PlainSpell

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.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list