fir

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see also: FIR

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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

• French: sapin
• German: Tanne, Tannenbaum
• Italian: abete
• Portuguese: abeto
• Russian: пи́хта
• Spanish: abeto

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FIR

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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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