decagonum
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Latin
Etymology
From Ancient Greek δεκάγωνον (dekágōnon).
Pronunciation
- (Classical Latin) IPA(key): /de.kaˈɡoː.num/,
- (modern Italianate Ecclesiastical) IPA(key): /de.kaˈɡo.num/,
Noun
decagōnum n (genitive decagōnī); second declension
- (Medieval Latin, geometry) decagon
- c. 1308–1336, Richard of Wallingford, “Quadripartitum Ricardi Walynforde de Sinibus Demonstratis”, in John David Bond, editor, Isis, volume 5, number 1, published 1923, →JSTOR, page 108:
- Tunc cōnstābit ex medietāte sēmidiametrī et ex latere decagōnī eiusdem circulī, quod sīc probātur.
- Then will be composed from half the semidiameter and from the side of the decagon of the same circle, which is proved in this way.
Declension
Second-declension noun (neuter).
| Case | Singular | Plural |
|---|---|---|
| Nominative | decagōnum | decagōna |
| Genitive | decagōnī | decagōnōrum |
| Dative | decagōnō | decagōnīs |
| Accusative | decagōnum | decagōna |
| Ablative | decagōnō | decagōnīs |
| Vocative | decagōnum | decagōna |
References
- R. E. Latham, D. R. Howlett, & R. K. Ashdowne, editors (1975–2013), “decagonum”, in Dictionary of Medieval Latin from British Sources, London: Oxford University Press for the British Academy, →ISBN, →OCLC