activation

/รฆktษชหˆveษชสƒษ™n/

IPA: /AE0 K T AH0 V EY1 SH AH0 N/

noun
  1. 1

    Making active and effective; bringing into a state of activity.

  2. 2

    The process of making a radioisotope by bombarding a stable element with neutrons or protons.

  3. 3

    (biochemistry) The process through which molecules are made able to react.

Source: https://en.wiktionary.org/wiki/activation