sanitation

The study and application of procedures and measures designed to protect public health, as in the provision of clean water and the disposal of sewage and waste.

The disposal of sewage and waste.

The practical application of knowledge and science to the preservation of health; the putting and keeping in a sanitary condition.

The act of rendering sanitary; the science of sanitary conditions; the preservation of health; the use of sanitary measures; hygiene.

The hygienic disposal or recycling of waste.

The policy and practice of protecting health through hygienic measures.

making something sanitary (free of germs) as by sterilizing

the state of being clean and conducive to health