If a substance or material is weaponized, it is used as a weapon or made into a weapon. If an area is weaponized, it is used as a location for weapons. They were close to weaponizing ricin - a lethal plant toxin. [VERB noun] ...the plan to weaponize outer space. [VERB noun] Collins COBUILD Advanced Learner’s Dictionary. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.