1. Produced by or producing fever
   - pyrogenic, pyrogenetic 
2. Produced under conditions involving intense heat
   - igneous, pyrogenic

See also: heat, pyrogen

• thirstily
• thirstiness
• thirsty
• thirteen
• thirteenth
• thirties
• thirtieth
• thirty
• Thirty Years' War
• thirty-eight
• thirty-eighth
• thirty-fifth
• thirty-first
• thirty-five
• thirty-four
• thirty-fourth
• thirty-nine
• thirty-ninth
• thirty-one
• thirty-second
• thirty-second note
• thirty-second part
• thirty-seven
• thirty-seventh
• thirty-six