The destruction of bacteria or germs by heat or chemical means

treatment, generally by heat, allowing for the destruction of all micro-organisms of a milieu or of a material.

Has two meanings: 1: To thoroughly clean something and kill any bacteria that might be there. 2: To prevent pregnancy by tying the tubes from a woman's ovaries, or cutting the tubes that carry sperm in a man.

Sterilisation is a process used to kill the heat -resistant spores of bacteria. Temperatures of 120° C and higher are used, for the purpose.

the procedure of making some object free of live bacteria or other microorganisms (usually by heat or chemical means)

This is the process of removing all micr-organisms and bacterial spores. It is rarely possible (or indeed necessary) to provide sterile swimming pool water, since bacteria and algae, for example, are constantly introduced into the water.

An act or process of destroying all forms of microbial life on or in an object.

the use of physical and/or chemical procedures to completely eliminate or destroy all forms of microbial life (including resistant bacterial spores).

a process in which foods are treated to kill all forms of micro-organisms and spores. Foods can be sterilised with high temperature treatment or with ionising radiation.