| Answer | Crossword Clue |
|---|---|
| pyrostatic | relating to a pyrostat, a thermostat used at high temperatures |
| pyrochemical | relating to chemical changes at high temperatures |
| pyrochemically | PYROCHEMICAL, relating to chemical changes at high temperatures |
| thermonuclear | Relating to or using nuclear reactions that occur only at very high temperatures |
| borazons | brand name for a cubic, diamondlike, extremely hard form of boron nitride, obtained at high temperatures and pressures: used as an abrasive and grinding agent |
| borazon | brand name for a cubic, diamondlike, extremely hard form of boron nitride, obtained at high temperatures and pressures: used as an abrasive and grinding agent |
