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Definition of Nonthermal
1. Adjective. Not involving heat. "Nonthermal luminescence" 
Definition of Nonthermal
1. Adjective. Not thermal; not produced by heat ¹
¹ Source: wiktionary.com
Definition of Nonthermal
1. [adj]
|  | 
1. Adjective. Not involving heat. "Nonthermal luminescence" 
1. Adjective. Not thermal; not produced by heat ¹
¹ Source: wiktionary.com
1. [adj]