tensing

/T EH1 N S IH0 NG/
verb
  1. 1

    (grammar) To apply a tense to.

    โ€œtensing a verbโ€

verb
  1. 1

    To make or become tense.

noun
  1. 1

    The act of making something tense.

    โ€œtensings of the musclesโ€

Source: https://en.wiktionary.org/wiki/tense, https://en.wiktionary.org/wiki/tensing