astigmatismo
/ɐʃ.tiɡ.mɐ.ˈtiʒ.mu/
The verdict
“astigmatismo” is uncommon Portuguese (frequency #51,977 among 1,900 “A” headwords), classed as a noun. The kind of spelling people second-guess.
- #51,977
- frequency rank, Portuguese
- 1,900
- “A” headwords
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - deficiência visual causada pelo formato irregular da córnea ou do cristalino formando uma imagem em vários focos que se encontram em eixos diferenciados
Corpus desk
Index PT-astigmatismo · astigmatismo · Portuguese
astigmatismo · rank #51,977 · 0 variants · 0 confusables
- FREQ-RARE #51,977
- LEN-MEGA 12 letters
- VOW-5 5 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-MID 1,900
- PHOTO-FINISH atenuação
Nearest frequency peer: atenuação (+2 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 “astigmatismo”
Faixa escassa: as barras invertem o rank para o raro ler-se mais curto
- astigmatismo
astigmatismo
48,024 corpus weight
- atenuação
atenuação
48,022 corpus weight
- attention
attention
48,019 corpus weight
- Austria
Austria
48,018 corpus weight
- autumn
autumn
48,017 corpus weight
- avicultura
avicultura
48,016 corpus weight
What this shows Vista da cauda longa: onde “astigmatismo” se situa face a ranks portugueses igualmente raros.
| Property | Value |
|---|---|
| Headword | astigmatismo |
| Language | Portuguese |
| Part of speech | Noun |
| IPA | /ɐʃ.tiɡ.mɐ.ˈtiʒ.mu/ |
| Letters | 12 |
| Frequency rank | #51,977 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Cauda longa: rank de “astigmatismo” em português
Rare enough to double-check
astigmatismo is uncommon Portuguese at frequency #51,977 among 1,900 “A” headwords, classed as anoun, transcribed /ɐʃ.tiɡ.mɐ.ˈtiʒ.mu/. Rarity is why readers land here mid-draft. Gloss: "deficiência visual causada pelo formato irregular da córnea ou do cristalino formando uma imagem em vários focos que se encontram em eixos diferenciados".
astigmatismo has no tracked misspelling variants, which points to an orthography that plays by predictable Portuguese rules. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.
No documented word history exists for this headword, so its spelling is best explained by sound-to-letter mapping rather than etymology. The correct Portuguese form is astigmatismo, spelled A-S-T-I-G-M-A-T-I-S-M-O.
Definition
- 1deficiência visual causada pelo formato irregular da córnea ou do cristalino formando uma imagem em vários focos que se encontram em eixos diferenciados
Recorded use
Wiktionary exampleThese source excerpts show how astigmatismo appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.
O garoto de 7 anos descobriu que precisaria vencer quatro graus de miopia e outros três de astigmatismo para ver o que a professora ensinava.
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
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Similar Portuguese words by spelling shape
Same letter count and similar misspelling depth for "astigmatismo", not the corpus desk frequency band.
Same letter count
Frequency-ranked Portuguese headwords with 12 letters (nearest by frequency rank).