1. The procedure of making some object free of live bacteria or other microorganisms (usually by heat or chemical means)
   "Proper sterilisation of baby bottles is crucial for infant health";
   - sterilization
    
2. The act of making an organism barren or infertile (unable to reproduce)
   "Some individuals choose sterilisation as a permanent form of birth control";
   - sterilization

Derived forms: sterilisations

Type of: clean, cleaning, cleansing, cleanup, op [informal], operation, surgery, surgical operation, surgical procedure, surgical process

Encyclopedia: Sterilisation