nonagésimo

See also: nonagesimo

Portuguese

Portuguese numbers ^(edit)

		900[a], [b]
←  80	←  89	90	91  →	100  →
		9[a], [b]
Cardinal: noventa     Ordinal: nonagésimo     Ordinal abbreviation: 90.º, 90º     Fractional: nonagésimo, noventa avos

Pronunciation

• (Brazil) IPA^(key): /no.naˈʒɛ.zi.mu/

• (Portugal) IPA^(key): /nu.nɐˈʒɛ.zi.mu/

• Hyphenation: no‧na‧gé‧si‧mo

Adjective

nonagésimo (feminine nonagésima, masculine plural nonagésimos, feminine plural nonagésimas)

1. (ordinal number) ninetieth

Noun

nonagésimo m (plural nonagésimos)

1. (fractional number) ninetieth (one of ninety parts of a whole)

Further reading

• “nonagésimo”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026
• “nonagésimo”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Spanish

Spanish numbers ^(edit)

		900
←  80	←  89	90	91  →	100  →
		9
Cardinal: noventa     Ordinal: nonagésimo     Ordinal abbreviation: 90.º     Fractional: noventavo, nonagésimo
Spanish Wikipedia article on 90

Etymology

Etymology tree

Proto-Indo-European *h₁néwn̥

Proto-Indo-European *déḱm̥

Proto-Indo-European *-t

Proto-Indo-European *déḱm̥-t

Proto-Indo-European *dḱómth₂

Proto-Indo-European *h₁néwn̥dḱomt

Proto-Italic *nounāgəmtā

Latin *nūnāgintā

Latin nōnāgintā

Latin -ēsimus

Latin nōnāgēsimuslbor.

Spanish nonagésimo

Learned borrowing from Latin nōnāgēsimus.

Pronunciation

• IPA^(key): /nonaˈxesimo/ [no.naˈxe.si.mo]
• Rhymes: -esimo
• Syllabification: no‧na‧gé‧si‧mo

Adjective

nonagésimo (feminine nonagésima, masculine plural nonagésimos, feminine plural nonagésimas)

1. (ordinal number) ninetieth

Noun

nonagésimo m (plural nonagésimos)

1. (fractional number) ninetieth

   Synonym: noventavo

Further reading

• “nonagésimo”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025