sterilize

verb

1. To deprive of the ability to procreate.
2. To make unable to produce; to make unprofitable.
3. To kill, deactivate (denature), or destroy (break apart) all living, viable microorganisms and spores on a surface, in a fluid, or contained in a compound, such as culture media or a medical product.
4. To redact (a document), removing classified or sensitive material.