decagonum
Latin
editEtymology
editFrom Ancient Greek δεκάγωνον (dekágōnon).
Pronunciation
edit- (Classical Latin) IPA(key): /de.kaˈɡoː.num/, [d̪ɛkäˈɡoːnʊ̃ˑ]
- (modern Italianate Ecclesiastical) IPA(key): /de.kaˈɡo.num/, [d̪ekäˈɡɔːnum]
Noun
editdecagōnum 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 [radius] and from the side of the decagon of the same circle, which is proved in this way.
Declension
editSecond-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
edit- R. E. Latham, D. R. Howlett, & R. K. Ashdowne, editors (1975–2013), “decagonum”, in Dictionary of Medieval Latin from British Sources[1], London: Oxford University Press for the British Academy, →ISBN, →OCLC