inertial guidance

NOUN
17 LETTERS · 4 SYLLABLES · STARTS WITH I

inertial guidance is a valid 17-letter word worth 20 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
I1N1E1R1T1I1A1L1G2U1I1D2A1N1C3E1
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 2 + 1 + 1 + 2 + 1 + 1 + 3 + 1 =20 PTS
DOUBLE WORD → 40TRIPLE WORD → 60
MEANING

What does inertial guidance mean?

NOUN · 1 SENSE
1

A method of controlling the flight of a missile by devices that respond to inertial forces.