noun
Definition: A type of stress that is applied to a material, especially in construction, to improve its performance and strength before it is subjected to external loads.
Example: The engineers used prestress in the concrete beams to enhance their durability.
verb
Definition: To apply internal stress to a structure, such as a beam, to help it withstand external loads by creating tension that counteracts those loads.
Example: Engineers often prestress concrete beams to improve their strength and durability.