ionosfera

noun

The verdict

“ionosfera” is uncommon Portuguese (frequency #73,302 among 1,526 “I” headwords), classed as a noun. The kind of spelling people second-guess.

#73,302
frequency rank, Portuguese
1,526
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - camada da atmosfera da Terra que se localiza entre sessenta e mil quilômetros de altitude e é composta de íons, plasma ionosférico e, devido à sua composição, reflete ondas de rádio até aproximadam...

Key facts for ionosfera
PropertyValue
Headwordionosfera
LanguagePortuguese
Part of speechNoun
Letters9
Frequency rank#73,302
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “ionosfera” sits in Portuguese frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). ionosfera lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ionosfera is uncommon Portuguese at frequency #73,302 among 1,526 “I” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "camada da atmosfera da Terra que se localiza entre sessenta e mil quilômetros de altitude e é composta de íons, plasma ionosférico e, devido à sua composição, reflete ondas de rádio até aproximadam...".

The misspelling generator found no plausible variants for ionosfera, a sign its spelling follows regular Portuguese conventions. This entry stands alone in our confusable dataset, 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 best read as a straightforward mapping from sound to letter. The correct Portuguese form is ionosfera, spelled I-O-N-O-S-F-E-R-A.

Definition

  1. 1
    camada da atmosfera da Terra que se localiza entre sessenta e mil quilômetros de altitude e é composta de íons, plasma ionosférico e, devido à sua composição, reflete ondas de rádio até aproximadamente 30 MHz

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "ionosfera"?
"ionosfera" is spelled I-O-N-O-S-F-E-R-A.
What does "ionosfera" mean?
As a noun, "ionosfera" means: camada da atmosfera da Terra que se localiza entre sessenta e mil quilômetros de altitude e é composta de íons, plasma ionosférico e, devido à sua composição, reflete ondas de rádio até aproximadam...
What language does "ionosfera" come from?
"ionosfera" is a Portuguese word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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 “ionosfera”

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

  • The one correct Portuguese spelling is I-O-N-O-S-F-E-R-A - every other letter order is a misspelling in standard orthography.
  • Browse more Portuguese words and confusable pairs in the same reference. Portuguese words

Other uncommon Portuguese 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.

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

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