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

maintenance

planned technical activities, or activities carried out in response to a breakdown, to ensure that assets are functioning effectively (6)


maturation ponds

in a waste stabilisation pond system for wastewater treatment,.ponds in which the pathogenic bacteria and viruses in an effluent are eliminated (11)


mechanised

where machines are used to carry out a function (5)


microenterprises

small businesses with fewer than ten people working in them (15)


microfiltration

method for separating particles from water that are 0.05 to 0.5 µm in size (14)


microloan

small amount of money lent at a low interest rate to a person on a low income (13)


micro-organisms

tiny living organisms only visible using a microscope (1)


microstrainer

(in water treatment) rotating drum with a stainless steel fabric with mesh size ranging from 15 µm to 64 µm (5)


Moringa fruit

fruit of the Moringa tree, which grows in tropical countries and can be used as a coagulant for water treatment (10)



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