oil-hardened steel

NOUN
18 LETTERS · STARTS WITH O

oil-hardened steel is a valid 18-letter word worth 21 points in Scrabble and 23 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
O1I1L1-0H4A1R1D2E1N1E1D2S1T1E1E1L1
1 + 1 + 1 + 0 + 4 + 1 + 1 + 2 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 1 + 1 =21 PTS
DOUBLE WORD → 42TRIPLE WORD → 63
MEANING

What does oil-hardened steel mean?

NOUN · 1 SENSE
1

Steel that is quenched in oil.