adjective/sɔ.lɛːʁ/
solar (relative to the sun); radiant (beaming with vivacity and happiness)
Related: ballon solaire, cadran solaire, couronne solaire, crème solaire, cycle solaire, éclipse solaire, énergie solaire, éruption solaire, filament solaire, four solaire
Learned borrowing from Latin sōlāris, from sōl (“sun”).