cosseno
/ku.ˈse.nu/
The verdict
“cosseno” is uncommon Portuguese (frequency #72,350 among 3,948 “C” headwords), classed as a noun. The kind of spelling people second-guess.
- #72,350
- frequency rank, Portuguese
- 3,948
- “C” headwords
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - em relação a um dos ângulos agudos de um triângulo retângulo, é o resultado da divisão do valor do cateto adjacente a este ângulo pelo valor da hipotenusa
| Property | Value |
|---|---|
| Headword | cosseno |
| Language | Portuguese |
| Part of speech | Noun |
| IPA | /ku.ˈse.nu/ |
| Letters | 7 |
| Frequency rank | #72,350 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “cosseno” sits in Portuguese frequency
Rare enough to double-check
cosseno is uncommon Portuguese at frequency #72,350 among 3,948 “C” headwords, classed as anoun, transcribed /ku.ˈse.nu/. Rarity is why readers land here mid-draft. 2 senses are on record.
cosseno doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, since its spelling is unusual enough that it doesn't cluster with a lookalike.
This headword's origin isn't recorded in our source data, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Portuguese form is cosseno, spelled C-O-S-S-E-N-O.
Definition
- 1em relação a um dos ângulos agudos de um triângulo retângulo, é o resultado da divisão do valor do cateto adjacente a este ângulo pelo valor da hipotenusa
- 2projeção no eixo horizontal, num plano cartesiano ortogonal, do segmento de reta que parte da origem dos eixos (horizontal e vertical) até o ponto de encontro com a circunferência de valor de raio 1 (e centro na origem dos eixos)
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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Using “cosseno”
The practical upshot for anyone who landed here from a spell-check.
- The one correct Portuguese spelling is C-O-S-S-E-N-O - every other letter order is a misspelling in standard orthography.
- Say it as /ku.ˈse.nu/ (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
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.