Is “Diel” a Scrabble word?
Yes
DIEL
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 Diel
/ˈdaɪ.əl/
adjective
1.Having a 24-hour period regardless of day or night.