Is “Gamma” a Scrabble word?
Yes
GAMMA
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 Gamma
/ˈɡæmə/
noun
1.The third letter of the Greek alphabet (Γ, γ), preceded by beta (Β, β) and followed by delta, (Δ, δ).
2.The Gamma function, symbolized by Γ.
3.A constant approximately equal to 0.55721566, symbolized by γ (also known as the Euler–Mascheroni constant).
noun
1.A nonlinear operation used to encode and decode luminance or tristimulus values in video or still image systems.
Synonyms: gamma