Letters that make F region
o, e, f, g, n, r, i are letters that make 'F region'
Words within F region
region, re, Gi, on, GI, Io, ion, Re are words within 'F region'
o, e, f, g, n, r, i are letters that make 'F region'
region, re, Gi, on, GI, Io, ion, Re are words within 'F region'
1 possible definitions for 'F region'
Under this definition, f region is a noun and has the following properties:
Appleton layer, F layer have the same meaning as 'F region'
'F region' can be a part of ionosphere.