noun
- materials used to seal joints or cracks, especially clay or cement-like substances used to make airtight seals in laboratory apparatus or industrial equipment
Usage: technical; chemistry
Examples
- The chemist applied fresh lutings to seal the glass joints in the distillation apparatus.
- Old lutings had cracked and needed replacement before the experiment could proceed.
- The laboratory technician mixed clay-based lutings to create airtight seals.
- Proper lutings are essential for maintaining vacuum conditions in the equipment.
- The furnace required new lutings around the door to prevent heat loss.