ο

Definition from Wiktionary, a free dictionary

Previous letter ξ		Upper case form
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English name omicron — Greek name όμικρον
Ο on Wikipedia.Wikipedia

Contents 1 Translingual 1.1 Symbol 2 Greek 2.1 Article 2.1.1 Inflection

[edit] Translingual

[edit] Symbol

ο

1. The lower case letter called όμικρον in Greek and omicron in English; The 15th letter of the modern Greek alphabet.

ο'

1. The number 70 in Greek numerals.

,ο

1. The number 70,000 in Greek numerals.

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[edit] Greek

[edit] Article

ο (o)

1. the, masculine, nominative singular form.

[edit] Inflection

Number	Singular			Plural
Gender	masc.	fem.	neut.	masc.	fem.	neut.
Nominative	ο	η	το	οι	οι	τα
Genitive	του	της	του	των	των	των
Accusative	τον	τη, την1	το	τους	τις	τα
1  The second form must be used before vowels or                     the consonants: κ, ξ, π, τ, ψ, γκ, ντ, μπ.