ionosfera

noun

The verdict

“ionosfera” is uncommon Portuguese (frequency #73,302 among 938 “I” headwords), classed as a noun. The kind of spelling people second-guess.

#73,302
frequency rank, Portuguese
938
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 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...

Corpus desk

Index PT-ionosfera · ionosfera · Portuguese

ionosfera · rank #73,302 · 0 variants · 0 confusables

  • FREQ-RARE #73,302
  • LEN-LONG 9 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 938
  • PHOTO-FINISH insurgir

Nearest frequency peer: insurgir (-6 rank slots)

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.

Ranks da cauda longa perto de “ionosfera”

Faixa escassa: as barras invertem o rank para o raro ler-se mais curto

corpus weight

What this shows Vista da cauda longa: onde “ionosfera” se situa face a ranks portugueses igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for ionosfera
PropertyValue
Headwordionosfera
LanguagePortuguese
Part of speechNoun
Letters9
Frequency rank#73,302
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cauda longa: rank de “ionosfera” em português

A frequência vai do punhado de palavras do dia a dia (esquerda) à cauda longa quase nunca usada (direita).ionosferacai nesta cauda de raridade:

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

A escala é logarítmica (cada marca ≈ 10× mais rara). Vizinhos raros da mesma faixa: “insurgir” (#73,296), “lambuzar” (#73,324), “Héracles” (#73,278). Entre 938 lemas com “I”, “ionosfera” fica em #73,302. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

ionosfera is uncommon Portuguese at frequency #73,302 among 938 “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

Recorded use

Wiktionary example

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

  1. Em um módulo próximo à Estação Antártica Comandante Ferraz, a base brasileira na Antártida, a pesquisadora Emília Correia recebe o eco de sinais de rádio refletidos pela ionosfera, a camada mais elevada da atmosfera terrestre, indo dos 70 km de altitude até quase 300 km.

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.

Similar Portuguese words by spelling shape

Same letter count and similar misspelling depth for "ionosfera", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list