Definitions from Wiktionary ()
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▸ noun: (chiefly countable) Any pinaceous conifer of related genera, especially a Douglas fir (Pseudotsuga) or a Scots pine (Pinus sylvestris).
▸ noun: (uncountable) Wood of such trees.
▸ adjective: (signal processing, of a filter) Initialism of finite impulse response; that has impulse response (or response to any finite length input) of finite duration.
▸ noun: (aviation) Initialism of flight information region; a specified region of airspace in which a flight information service (FIS) and an alerting service (ALRS) are provided [(aviation) A specified region of airspace in which a flight information service and an alerting service are provided.]
▸ noun: (South Asia, Singapore, law enforcement) Initialism of first information report.
▸ noun: (uncountable) Abbreviation of far infrared or far infrared radiation.
Similar:
fir tree,
true fir,
silver fir,
abies,
noble fir,
red fir,
firtree,
white fir,
pine,
Colorado fir,
more...
Opposite:
Types:
Douglas fir,
red fir,
white fir,
balsam fir,
grand fir,
silver fir,
noble fir,
ponderosa pine,
more...
Phrases:
Adjectives:
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