numerical aperture

18 LETTERS · STARTS WITH N

numerical aperture is a valid 18-letter word worth 23 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1U1M3E1R1I1C3A1L1A1P3E1R1T1U1R1E1

1 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 0 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does numerical aperture mean?