pre-stressed

listen to the pronunciation of pre-stressed
English - English
Of a structural member, having stress already applied during the manufacturing process in the opposite direction to the stress expected in use

pre-stressed concrete.

Made stronger. "Pre-stressed concrete has been made stronger by having wires put inside it."
pre-stressed concrete has been made stronger by having wires put inside it
prestressed
{s} reinforced by steel rods, strengthened with wires (about cement)
prestressed
having been stressed before use
pre-stressed
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