Having been stressed before use

present participle of prestress

Third-person singular simple present indicative form of prestress

(construction) To apply stress to structural components in order to produce a tension that counteracts the loads to which the component is subjected in its designed use.

(linguistics) Before a stress (emphasis placed on a syllable of a word).

concrete with stresses induced in it before use so as to counteract stresses that will be produced by load; often contains stretched steel bars or wires called tendons