IFR

English

Proper noun

IFR

(nuclear physics, engineering) Initialism of Integral Fast Reactor.

Noun

IFR

(aviation, pilot training) Initialism of instrument flight rules, a set of rules for a pilot flying on instruments, primarily as a means of navigating through inclement weather.
(epidemiology) Initialism of infection fatality rate.
- For quotations using this term, see Citations:IFR.

Coordinate terms

(aviation):

SVFR
VFR

See also

CFR

Anagrams

FIR, Fri, IRF, RFI, RIF, Rif, fir, rif

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