1. to heat a substance to a high temperature until it is reduced to ash or powder, or until it loses water or other volatile components
Usage: chemistry, materials science

Examples

• The laboratory calcines limestone at high temperatures to produce quicklime.
• When you calcine certain minerals, they lose their water content and become brittle.
• The furnace calcines the ore to remove impurities before smelting.
• Calcining the clay changes its color and hardness.
• Industrial processes often calcine raw materials to prepare them for further processing.