Is “Atomism” a Scrabble word?
Yes
ATOMISM
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 Atomism
noun
1.The ancient Greek theory that all matter is composed of very small indestructible and indivisible particles.
2.The doctrine that society arises from individuals and that larger structures are unimportant.