terrestrial guidance

NOUN
20 LETTERS · 5 SYLLABLES · STARTS WITH T

terrestrial guidance is a valid 20-letter word worth 23 points in Scrabble and 28 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
T1E1R1R1E1S1T1R1I1A1L1G2U1I1D2A1N1C3E1
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 2 + 1 + 1 + 3 + 1 =23 PTS
DOUBLE WORD → 46TRIPLE WORD → 69
MEANING

What does terrestrial guidance mean?

NOUN · 1 SENSE
1

A method of controlling the flight of a missile by devices that respond to the strength and direction of the earth's gravitational field.