- direction finding.
- Defender of the Faith.
Origin of D.F.1
From the New Latin word Dēfēnsor Fidēī
- Distrito Federal.
- Doctor of Forestry.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for df
In the DF, he told me, 61 percent of young people of standard eligible age are enrolled in one sort of university or another.
“But here there is no war,” Mayor Ebrard tells Goldman, referring to DF, before the end of his term.
Mexicans refer to their capital as DF—short for Distrito Federal.
In the triangle gae, ae is equal and parallel to df, and ag to fc.
Join mn and transfer this measurement to each side of d on base line; that is, make df and df equal to mn.The Theory and Practice of Perspective
George Adolphus Storey
Therefore we know that the square of DF will contain the same area as the cross.Amusements in Mathematics
Henry Ernest Dudeney
- Defender of the Faith
- direction finder
- direction finding
- decayed and filled (deciduous teeth)
- decayed and filled (permanent teeth)