D/F
direction finding.
D/F
1 American
Or
DF
D.F.
2
American
abbreviation
D.F.
3
American
abbreviation
-
Distrito Federal.
-
Doctor of Forestry.
D/F
1
British
abbreviation
-
direction finder
-
direction finding
DF
2
British
abbreviation
Etymology
Origin of D.F.
From New Latin Dēfēnsor Fidēī
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Musk decided to name the data center Colossus—a reference to a popular trilogy of sci-fi novels from the 1960s by D.F.
From The Wall Street Journal ● Oct. 6, 2025
As a young investment banker new to the city, I ogled it in the windows of the home shop D.F.
From New York Times ● Oct. 27, 2022
It’s an unusual genre evolution from the gritty neo-noir origins of the character introduced by director Gordon Parks in 1971’s “Shaft,” adapted by Ernest Tidyman and John D.F.
From Los Angeles Times ● Jun. 13, 2019
The Kruger statue in Pretoria was unveiled in 1954 by D.F.
From Fox News ● Dec. 16, 2018
Never in the history of our municipal affairs, says Henry D.F.
From Elements of Debating by Leverett S. (Leverett Samuel) Lyon
TRNSMT's organisers DF Concerts secured a late licence to broadcast the match into the early hours of Saturday, despite concerns from local residents.
From BBC ● Jun. 19, 2026
The 70-year-old had "high fever, a drop in oxygen saturation, sweating and chills," according to a statement from DF Star Hospital in Brasilia.
From Barron's ● Mar. 13, 2026
Barring complications, Bolsonaro should be discharged on January 1, surgeon Claudio Birolini told reporters at the private DF Star clinic in Brasilia.
From Barron's ● Dec. 29, 2025
The safety meeting involved the council, promoters DF Concerts, security firm G4S, Police Scotland, the Scottish Ambulance Service and transport providers including Lothian Buses, Edinburgh Trams and ScotRail.
From BBC ● Aug. 7, 2025
But whatever length we give to DE and EF, we can never give the exact length of DF in numbers, because the triangle is not a "rational" one.
From Amusements in Mathematics by Henry Ernest Dudeney
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
