n-tam-uh-neyt]
| 1. | to make (an object or area) safe for unprotected personnel by removing, neutralizing, or destroying any harmful substance, as radioactive material or poisonous gas. |
| 2. | to make free of contamination; purify: to decontaminate a sickroom. |
decontamination de·con·tam·i·na·tion (dē'kən-tām'ə-nā'shən)
n.
The removal or neutralization of a contaminating substance, such as poisonous gas or a radioactive material.