heterogeneous system

20 LETTERS · STARTS WITH H

heterogeneous system is a valid 20-letter word worth 28 points in Scrabble and 30 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
H4E1T1E1R1O1G2E1N1E1O1U1S1S1Y4S1T1E1M3
4 + 1 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 4 + 1 + 1 + 1 + 3 =28 PTS
DOUBLE WORD → 56TRIPLE WORD → 84
MEANING

What does heterogeneous system mean?

1