xi

See also: XI, xī, xí, xǐ, xì, and χι

English

Ancient Greek Alphabet

← nu		→ omicron
Ξ ξ Ancient Greek: ξεῖ
Wikipedia article on xi

Etymology

From Ancient Greek ξεῖ (kseî), ξῖ (ksî).

Pronunciation

• IPA^(key): /ksaɪ/, /saɪ/, /ksiː/

• Audio (US)

  (file)

• Rhymes: -aɪ

Noun

xi (plural xis)

1. The name for the 14th letter of Classical and Modern Greek. The 15th in Ancient and Old Greek.
2. (physics) Either of a pair of hyperons having spin 1/2, which decay into a lambda particle and a pion.

Derived terms

• xi baryon

Translations

Greek letter

• Arabic: كسي m (ksii)
• Catalan: ksi f
• Chinese:

  Mandarin: 克西 (zh) (kèxī), 克希 (kèxī), 可塞 (zh) (kěsài)

• Dutch: xi m, f, ksi m, f
• Finnish: ksii (fi)
• French: xi (fr) m, ksi (fr) m
• German: Xi (de) n
• Greek: ξι (el) n (xi)

• Interlingua: xi
• Italian: xi (it) m, f, csi m, f, ksi m, f
• Japanese: グザイ (guzai), クサイ (kusai), クスィー (kusī)
• Korean: 크시 (ko) (keusi)
• Malay: xi
• Persian: کسی (fa) (ksi)
• Portuguese: xi m, csi m
• Russian: кси n (ksi)
• Spanish: xi (es) f

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French

Alternative forms

• ksi

Noun

xi m (plural xi)

1. xi (Greek letter)

External links

• "xi" in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

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Italian

Noun

xi m, f (invariable)

1. xi (all senses)

Synonyms

• csi
• ksi

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Mandarin

Romanization

xi

1. Nonstandard spelling of xī.
2. Nonstandard spelling of xí.
3. Nonstandard spelling of xǐ.
4. Nonstandard spelling of xì.

Usage notes

• English transcriptions of Mandarin speech often fail to distinguish between the critical tonal differences employed in the Mandarin language, using words such as this one without the appropriate indication of tone.

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Portuguese

Noun

xi m (plural xis)

1. Alternative spelling of csi.

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Spanish

Noun

xi f (plural xíes)

1. xi; the Greek letter Ξ, ξ