Is “Thermal” a Scrabble word?
Yes
THERMAL
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 Thermal
/ˈθɝməl/
noun
1.A column of rising air in the lower atmosphere created by uneven heating of Earth's surface.
Synonyms: thermal column
verb
1.(stone) To create a rough finish on stone by treating it with a high-temperature blow-torch.
2.(gliding, often in the present participle) To fly an unpowered aircraft in a (thermal) column of rising air.
adjective
1.Pertaining to heat or temperature.
2.(fabric) Providing efficient insulation so as to keep the body warm.
3.Caused or brought about by heat.