zeroth

English
English numbers (edit)
0 1  →  10  → 
    Cardinal: zero
    Ordinal: zeroth
    Adverbial: never

Alternative forms

Etymology

zero +‎ -th

Pronunciation
  • (UK, New Zealand, General Australian) IPA(key): /ˈzɪəɹəʊθ/
  • Audio (Southern England)(file)
  • (US) enPR: zîrʹōth, zēʹrōth, IPA(key): /ˈzɪɹoʊθ/, /ˈziɹoʊθ/
  • 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

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See also
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