1. Not involving heat
   "nonthermal luminescence"

See also: heat

Antonym: thermal

• underperform
• underperformer
• underpin
• underpinning
• underplant
• right-winger
• righteous
• righteously
• righteousness
• righteye flounder
• righteyed flounder
• rightfield
• rightful
• rightfully
• rightfulness
• righthander
• rightish
• rightism
• rightist
• rightly
• rightmost
• rightness
• righto
• rights issue
• rights offering