disk operating system

NOUN
21 LETTERS · STARTS WITH D

disk operating system is a valid 21-letter word worth 32 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
D2I1S1K5O1P3E1R1A1T1I1N1G2S1Y4S1T1E1M3
2 + 1 + 1 + 5 + 0 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 2 + 0 + 1 + 4 + 1 + 1 + 1 + 3 =32 PTS
DOUBLE WORD → 64TRIPLE WORD → 96
MEANING

What does disk operating system mean?

NOUN · 1 SENSE
1

An operating system that is on a disk.

SYNONYMS