rubidio

[ruˈβ̞ið̞jo]

/[ruˈβ̞ið̞jo]/ noun

The verdict

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

Unranked
below top-frequency Spanish
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Elemento químico de la tabla periódica, un metal alcalino cuyo símbolo es el Rb y su número atómico es 37.

Corpus desk

Index ES-rubidio · rubidio · Spanish

rubidio · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "R" 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 rubidio
PropertyValue
Headwordrubidio
LanguageSpanish
Part of speechNoun
IPA[ruˈβ̞ið̞jo]
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “rubidio” en español

rubidioqueda fuera de las 100.000 palabras españolas más frecuentes, en la cola larga de vocabulario técnico, arcaico o raro, justo donde más se duda de la ortografía.

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

Rare enough to double-check

rubidio is uncommon Spanish outside the top frequency list, classed as anoun, transcribed [ruˈβ̞ið̞jo]. Rarity is why readers land here mid-draft. Gloss: "Elemento químico de la tabla periódica, un metal alcalino cuyo símbolo es el Rb y su número atómico es 37.".

rubidio doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. No confusable counterpart is on file for this word, which typically means the spelling is too distinctive to be mistaken for another word.

No borrowing history is documented for this entry, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct Spanish form is rubidio, spelled R-U-B-I-D-I-O.

Definition

  1. 1
    Elemento químico de la tabla periódica, un metal alcalino cuyo símbolo es el Rb y su número atómico es 37.

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 "rubidio"?
"rubidio" is spelled R-U-B-I-D-I-O. The IPA pronunciation is [ruˈβ̞ið̞jo].
What does "rubidio" mean?
As a noun, "rubidio" means: Elemento químico de la tabla periódica, un metal alcalino cuyo símbolo es el Rb y su número atómico es 37.
How do you pronounce "rubidio"?
The IPA (International Phonetic Alphabet) transcription for "rubidio" is [ruˈβ̞ið̞jo]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "rubidio" come from?
"rubidio" 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