Deoxidization refers to the process of removing oxygen from a substance or material. Synonyms for this term include purging, deaeration, decarburization, reduction, and deoxygenation. Purging refers to the method of removing impurities such as oxygen, whereas deaeration refers to removing dissolved gas from a liquid. Decarburization is the process of eliminating carbon from a material, while reduction involves the addition of electrons to reduce the oxidation state of a substance. Lastly, deoxygenation involves removing oxygen from a substance, and is commonly used in the chemical industry to remove oxygen from gas streams. These synonyms can be used interchangeably to describe the process of deoxidization.