Is “Tachism” a Scrabble word?
Yes
TACHISM
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 Tachism
noun
1.A French style of abstract painting popular in the 1940s and 1950s.