skip distance

NOUN /skɪp_'dɪstəns/
13 LETTERS · 2 SYLLABLES · STARTS WITH S

skip distance is a valid 13-letter word worth 21 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
S1K5I1P3D2I1S1T1A1N1C3E1
1 + 5 + 1 + 3 + 0 + 2 + 1 + 1 + 1 + 1 + 1 + 3 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does skip distance mean?

NOUN · 1 SENSE
1

The shortest distance that permits radio signals (of a given frequency) to travel from the transmitter to the receiver by reflection from the ionosphere.