dark adaptation

NOUN /dɑrk_,ædəp'teɪʃən/
15 LETTERS · STARTS WITH D

dark adaptation is a valid 15-letter word worth 22 points in Scrabble and 24 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2A1R1K5A1D2A1P3T1A1T1I1O1N1
2 + 1 + 1 + 5 + 0 + 1 + 2 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =22 PTS
DOUBLE WORD → 44TRIPLE WORD → 66
MEANING

What does dark adaptation mean?

NOUN · 1 SENSE
1

The process of adjusting the eyes to low levels of illumination; cones adapt first; rods continue to adapt for up to four hours.

BROADER