Nine

Pronunciation

• RP enPR: nÄ«n, IPA: /naɪn/, naɪ̯n
• Rhymes: -aɪn

Origin

From Middle English nine, from Old English niġon, from Proto-Germanic *newun, from Proto-Indo-European *h₁néwn̥.

Numeral

numeral

1. (cardinal) A numerical value equal to 9; the number occurring after eight and before ten.A cat has nine lives.
2. Describing a set or group with nine components.

Related terms

• ninth

Full definition of nine

Noun

1. The digit or figure 9.
2. (card games) A playing card with nine pips.
3. (weaponry) A nine-millimeter semi-automatic pistol.
4. (computing, engineering, usually in plural) A statistical unit of proportion (of reliability, purity, etc.).They guaranteed that our Web site would have 99.99% uptime, or four nines.

Derived terms

• cloud nine
• dressed to the nines
• on cloud nine
• the whole nine yards

Coordinate terms

• Previous: eight (8)
• Next: ten (10)

Synonyms

• Roman numerals: IX