posttension

[pohst-ten-shuh n] /poʊstˈtɛn ʃən/
verb (used with object)
1.
(in prestressed-concrete construction) to apply tension to (reinforcing strands) after the concrete has set.
Compare pretension2 (def 1).
2.
to make (a concrete member) with posttensioned reinforcement.
Origin
1970-75; post- + tension