sanitation
noun
san·i·ta·tion
ˌsa-nə-ˈtā-shən
1
: the act or process of making sanitary
2
: the promotion of hygiene and prevention of disease by maintenance of sanitary conditions (as by removal of sewage and trash)
—often used attributively
a sanitation truck
sanitation workers
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Merriam-Webster unabridged
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