Glossary Terms (Simple List)
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Minimum Acceptable Cycle (MAC)
The minimum cycle conditions (in terms of delivered minimum lethality or minimum time and temperature) that would be considered acceptable. (TR01) (TR61)
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Minimum Load
The minimum quantity or mass of items permitted in a validated depyrogenation or sterilization load. (TR01) (TR3) (TR30) (TR48)
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Mitigation
Systematic steps taken or in place to reduce or limit the identified risk. (TR84)
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Mixed Load
A load that contains multiple item item types representing various sterilization challenges. For example, some load items may have air removal challenges, while others pose a challenge due to their mass. (TR01)
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Mock Soil
A soil which is used in place of the manufactured product during a cleaning validation protocol (also called a “surrogate” soil). (TR29)
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Mock Soiling
A process of soiling the equipment for a cleaning validation protocol in which soil is applied to the equipment surfaces to simulate the condition of the soil on those surfaces following typical product manufacturing. (TR29)
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Module
An individual unit consisting of multiple membranes in any format within a frame structure containing integral channels and ports for feed, retentate, filtrate and air connections. (TR15)
Filter element that is incorporated into a cartridge or capsule. (TR26)
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Moist Heat
Steam, steam-air mixtures, and superheated water used for sterilization. (TR01)
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Moist Heat Sterilizer
Equipment (e.g., a pressure-rated vessel and associated controls) used to achieve sterilization through time, temperature and pressure. [Synonym: Autoclave, Steam Sterilizer] (TR48)
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Moisture Content of Wood
The moisture content of wood is calculated by the following formula: Moisture content = (Mg-Mod)/Mod. Where Mg is the green mass of the wood and Mod is its oven-dry mass (the attainment of constant mass generally after drying in an oven set at 103 ± 2 °C for 24h). The equation can also be expressed as a fraction of the mass of the water and the mass of the oven-dry wood rather than a percentage. For example, 0.59 kg/kg (oven-dry basis) expresses the same moisture content as 59% (oven-dry basis). (TR55)