D defs.my
Entry 1 sense Webster, 1913

Thermotension

· Ther·mo·ten·sion · IPA
01 n. A process of increasing the strength of wrought iron by heating it to a determinate temperature, and giving to it, while in that state, a m…
  1. 1.
    A process of increasing the strength of wrought iron by heating it to a determinate temperature, and giving to it, while in that state, a mechanical strain or tension in the direction in which the strength is afterward to be exerted.