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Fir
Definitions
- 1 Initialism of finite impulse response; that has impulse response (or response to any finite length input) of finite duration. abbreviation, alt-of, initialism, not-comparable
- 1 A conifer of the genus Abies. countable
"A beech wood with silver firs in it rolled down the face of the hill, and the maze of leafless twigs and dusky spires cut sharp against the soft blueness of the evening sky."
- 2 Initialism of flight information region; a specified region of airspace in which a flight information service (FIS) and an alerting service (ALRS) are provided. abbreviation, alt-of, countable, initialism, uncountable
- 3 any of various evergreen trees of the genus Abies; chiefly of upland areas wordnet
- 4 Any pinaceous conifer of related genera, especially a Douglas fir (Pseudotsuga) or a Scots pine (Pinus sylvestris). countable
"we shall find a spot that is sheltered and snug enough, sir. There is a dry fir-wood just ahead, if I remember rightly."
- 5 Initialism of first information report. Singapore, South-Asia, abbreviation, alt-of, countable, initialism, uncountable
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- 6 nonresinous wood of a fir tree wordnet
- 7 Wood of such trees. uncountable
- 8 Abbreviation of far infrared or far infrared radiation. abbreviation, alt-of, uncountable
Etymology
From Middle English firre, from Old English fyrh, furh, as in furhwudu (“pinewood”), from Proto-West Germanic *furhu, from Proto-Germanic *furhō, *furhijǭ, from Proto-Indo-European *pŕ̥kʷeh₂, from *pérkʷus (“oak”). Possibly conflated during Middle English with Old Norse fýri (as in fýriskógr (“pine-wood”). Germanic cognates include Dutch vuren, Low German Fuhr, German Föhre (“pine”), Danish fyr). Outside of Germanic, compare Italian (Trentino) porca (“fir”), Latin quercus (“oak”), Albanian shpardh, shparr (“Italian oak”), Punjabi ਪਰਗਾਇ (pargāī, “holm oak, Quercus baloot”)). Related to frith.
See also for "fir"
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