Is “Halation” a Scrabble word?
Yes
HALATION
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 Halation
/həˈleɪʃən/
noun
1.The action of light surrounding some object as if making a halo.
2.The blurring of light around a bright area of a photographic image, or on a television screen.
Synonyms: overglow