Is “Tokamak” a Scrabble word?
Yes
TOKAMAK
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 Tokamak
/ˈtəʊkəmæk/
noun
1.A torus-shaped chamber used in nuclear fusion research in which a plasma is magnetically confined.