alkaline-earth metal

NOUN
20 LETTERS · STARTS WITH A

alkaline-earth metal is a valid 20-letter word worth 27 points in Scrabble and 31 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1L1K5A1L1I1N1E1-0E1A1R1T1H4M3E1T1A1L1
1 + 1 + 5 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 4 + 0 + 3 + 1 + 1 + 1 + 1 =27 PTS
DOUBLE WORD → 54TRIPLE WORD → 81
MEANING

What does alkaline-earth metal mean?

NOUN · 1 SENSE
1

Any of the bivalent metals of group II of the periodic table (calcium or strontium or barium or magnesium or beryllium).