To make unable to produce; to make unprofitable.
To deprive of the ability to procreate.
To redact (a document), removing classified or sensitive material.
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.
To lose its lustre or attraction; to become dull.
To compromise, damage, soil, or sully.
To oxidize or discolor due to oxidation.
Oxidation or discoloration, especially of a decorative metal exposed to air.