Glossary

At the end of each definition in this Glossary there is a number in brackets. This indicates the number of the Study Session where the term is first used in this OpenWASH module.


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M

management information system (MIS)

computer-based data collection and analysis system (15)


maturation pond

the final stage of a waste stabilisation pond system, where pathogenic viruses and bacteria are removed and eggs of parasitic worms settle out in the sludge (6)


mechanical biological system

system for treating sewage using a sequence of mechanical (such as aeration) and biological processes (6)


menstrual hygiene management (MHM)

provision of facilities to allow girls and women to manage their monthly menstrual periods, including materials to absorb or collect menstrual blood, private places to change and clean/dispose of these materials, and handwashing facilities with soap (12)


methane

a flammable gas produced during anaerobic decomposition processes; a powerful greenhouse gas (7)


moisture content

percentage of water in a solid substance (7)


monitoring

systematic and continuous assessment of the progress of a project or programme over time, in order to check that activities are going to plan (15)


morbidity

illness (2)


mortality

death (2)


MSEs (micro and small enterprises)

small businesses with fewer than 50 employees (9)


municipal waste (municipal solid waste)

combination of all the solid wastes produced in urban areas; similar in composition to residential waste (1)



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