combining weight

NOUN
16 LETTERS · STARTS WITH C

combining weight is a valid 16-letter word worth 29 points in Scrabble and 35 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
C3O1M3B3I1N1I1N1G2W4E1I1G2H4T1
3 + 1 + 3 + 3 + 1 + 1 + 1 + 1 + 2 + 0 + 4 + 1 + 1 + 2 + 4 + 1 =29 PTS
DOUBLE WORD → 58TRIPLE WORD → 87
MEANING

What does combining weight mean?

NOUN · 1 SENSE
1

The atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen.