sistema operacional
/sɪs.ˈte.mɐ o.pe.ɾɐ.sjo.ˈnaw/
The verdict
“sistema operacional” is outside the top-ranked Portuguese vocabulary, used as a phrase - the kind of word writers most often double-check.
- Unranked
- below top-frequency Portuguese
- 19
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - conjunto de programas básicos cuja função é controlar e coordenar as operações de um computador, servindo de interface entre esse e o usuário
| Property | Value |
|---|---|
| Headword | sistema operacional |
| Language | Portuguese |
| Part of speech | Phrase |
| IPA | /sɪs.ˈte.mɐ o.pe.ɾɐ.sjo.ˈnaw/ |
| Letters | 19 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “sistema operacional” sits in Portuguese frequency
Spelling & Dictionary Insight
The Portuguese entry for sistema operacional is 19 letters long, classified as a phrase, and transcribed in the International Phonetic Alphabet as /sɪs.ˈte.mɐ o.pe.ɾɐ.sjo.ˈnaw/. 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: "conjunto de programas básicos cuja função é controlar e coordenar as operações de um computador, servindo de interface entre esse e o usuário".
Our edit-distance generator produced no likely misspellings for sistema operacional, a sign its spelling follows regular Portuguese conventions. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.
No documented word history exists for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct Portuguese form is sistema operacional, spelled S-I-S-T-E-M-A- -O-P-E-R-A-C-I-O-N-A-L.
Definition
- 1conjunto de programas básicos cuja função é controlar e coordenar as operações de um computador, servindo de interface entre esse e o usuário
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
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Using “sistema operacional”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Portuguese spelling is S-I-S-T-E-M-A- -O-P-E-R-A-C-I-O-N-A-L - every other letter order is a misspelling in standard orthography.
- Say it as /sɪs.ˈte.mɐ o.pe.ɾɐ.sjo.ˈnaw/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
- Browse more Portuguese words and confusable pairs in the same reference. Portuguese words
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.