Is “Mullock” a Scrabble word?
Yes
MULLOCK
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Mullock
noun
1.Rubbish, waste matter.
2.Waste rock from which the wanted gold, minerals, opal, etc., has been extracted; waste material generated while searching for minerals or while mining, such as when sinking a shaft.
3.Nonsense, rubbish.
verb
1.To clear waste material out of a mine.