Definition: This word describes something that is hard to melt or shape, or someone who is stubborn and does not obey rules or authority.

Example: The refractory child refused to listen to his teacher's instructions.

Definition: A material that can withstand high temperatures without melting or breaking down, often used in furnaces and kilns.

Example: The furnace was lined with refractory to handle the extreme heat.

Definition: Able to be bent or changed in direction, especially when light passes through it.

Example: The refrangible light rays created beautiful colors in the prism.

Definition: Related to the process of cooling or freezing something, often used in the context of air conditioning or refrigeration systems.

Example: The refrigerant used in the air conditioner helps to cool the air in the room.

Definition: A substance that is used to cool things down, often found in refrigerators or air conditioning systems.

Example: The technician added more refrigerant to the air conditioning unit to improve its cooling efficiency.

Definition: To undergo a process where ice melts and refreezes under pressure, allowing it to flow or change shape without completely melting.

Example: The ice will regelate when enough pressure is applied, allowing it to move slowly.

Definition: The condition of being restored or renewed, often referring to a process of growth or recovery.

Example: The regeneracy of the forest after the fire was remarkable, showing how nature can heal itself.

Definition: A device or person that helps to restore or renew something, often by heating air or gas in engines or furnaces.

Example: The engineer installed a regenerator to improve the efficiency of the heating system.

Definition: A narrow, flat piece of material used in architecture or printing, often to separate or define spaces.

Example: The architect chose a reglet to enhance the design of the building's facade.

Definition: To add an explanatory note or comment to a text again or in a new way.

Example: The teacher decided to regloss the difficult passages in the book for better understanding.

Definition: Relating to a type of metal or a small mass of metal that can be separated from a larger mass.

Example: The reguline properties of the alloy made it suitable for various industrial applications.

Definition: A type of star that is very bright and is located in the constellation Leo, or a metallic mass that forms during the process of smelting ores.

Example: Regulus is one of the brightest stars in the night sky, easily visible from Earth.