zeroth

English

English numbers ^(edit)

		00
		0	1  →	10  →
Cardinal: zero     Ordinal: zeroth

Alternative forms

• zeroeth

Etymology

zero +‎ -th

Pronunciation

• (UK, New Zealand, General Australian) IPA^(key): /ˈzɪəɹəʊθ/

• Audio (UK)

  (file)

• (US) enPR: zîrʹōth('), zēʹrōth('), IPA^(key): /ˈzɪɹ(ˌ)oʊθ/, /ˈzi(ˌ)ɹoʊθ/
• Rhymes: -ɪəɹəʊθ, -iːɹəʊθ
• Hyphenation: zeroth

Adjective

zeroth (not comparable)

1. (mathematics) In the initial position in a sequence whose elements are numbered starting at zero; the ordinal number corresponding to zero.

   The zeroth order polynomial approximation is constant.

2. Corresponding to a position preceding the first.

   A and C are in equilibrium following the Zeroth Law of Thermodynamics.

Synonyms

• noughth (rare)

Translations

ordinal number corresponding to zero

• Arabic: صَافِر‎ m (ṣāfir)
• Armenian: զրոերորդ (zroerord)
• Belarusian: нулявы (nuljavy)
• Chinese:

  Mandarin: 第零 (dì-líng)

• Czech: nultý m
• Danish: nulte
• Esperanto: nula (eo), nulaj pl
• Finnish: nollas (fi)
• French: zérotième (fr), nullième (fr), zéroième (fr)
• Georgian: ნულოვანი (nulovani)
• German: nullter (de) m, nullte (de) f (or masculine and neutral definite), nulltes (de) n
• Greek: μηδενικός (el) m (midenikós)
• Hungarian: nulladik (hu)
• Ido: zeresma
• Italian: zeresimo (it)
• Japanese: 第零 (dairei), 第ゼロ (dai-zero), 零番目 (reiban-me), ゼロ番目 (zero-ban-me)
• Kazakh: нөлінші (nölınşı)
• Kyrgyz: нөлүнчү (nölünçü)
• Malay: kekosong
• Norwegian: nulte
• Persian: صفرم‎ (sefrom)
• Polish: zerowy (pl) m
• Portuguese: zerésimo (pt) m
• Russian: нулево́й (ru) (nulevój)
• Spanish: cero (es) m
• Swedish: nollte (sv)
• Tatar: нуленчы (nulençı)
• Turkish: sıfırıncı (tr)
• Ukrainian: нульовий (uk) (nulʹovyj)
• Welsh: serofed

corresponding to a position preceding the first

• Finnish: nollas (fi)
• Georgian: ნულოვანი (nulovani)
• German: nullte (de)
• Italian: zeresimo (it)
• Persian: صفرم‎ (sefrom)

The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.

Translations to be checked

• French: ^{(please verify)} zeroième

See also

• null
• 0th