Is “Catastrophism” a Scrabble word?
Yes
CATASTROPHISM
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 Catastrophism
noun
1.The doctrine that sudden catastrophes, rather than continuous change, cause the main features of the Earth's crust.
2.The practice or tendency of catastrophizing, regarding bad things as catastrophic.