fir
Pronunciation
  • (British) IPA: /fɜː(ɹ)/
  • (America) enPR: fûr, IPA: /fɝ/
  • (Scotland), IPA: /fɪɹ/
Noun

fir

  1. (chiefly, countable) A conifer of the genus ll mul.
  2. (chiefly, countable) Any pinaceous conifer of related genera, especially a Douglas fir (ll mul) or a Scots pine (ll mul).
    • 1991, Paul Chadwick, Concrete: American Christmas, Dark Horse Books
      I can almost smell the fir scent… resinous, pungent.
  3. (uncountable) Wood of such trees.
Synonyms
  • (all countable senses) fir tree
Translations
FIR
Adjective

fir (not comparable)

  1. (signal processing, of a filter) Initialism of w:finite impulse response; that has impulse response (or response to any finite length input) of finite duration.
Noun

fir (plural firs)

  1. (aviation) Initialism of w:flight information region; a specified region of airspace in which a flight information service and an alerting service (ALRS) are provided
  2. Initialism of first information report



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