GLOSSARY

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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MUTAGENIC

Ability to cause a permanent change in the structure of DNA.


MVOC

see ?microbial volatile organic compound?


MYCELIUM

Masses of hypha. 1. The main part of a fungus, consisting of one or more white, interwoven fibbers or hyphae, often not visible on the surface.


MYCOTOXIN

A potentially harmful metabolite produced by some fungi, especially moulds. Mycotoxin from a variety of moulds, such as the aflatoxins produced by Aspergillus flavus and Aspergillus parasiticus in grain or animal feed, present serious health threats.


NAMED INSURED

The individual or parties insured, signified by the inclusion of their names on the policy.


NATURAL FIBRE

A fibre derived from plants or animals.


NATURAL LAW

A law or body of laws that derives from nature and is believed to be binding upon human actions apart from or in conjunction with laws established by human authority.


NATURAL VENTILATION

Air movement through a structure caused by wind, temperature difference (convection currents), or other non-mechanical factors.


NEGATIVE AIR MACHINE

A fan or blower which creates a condition of negative pressure by exhausting air to the outside while drawing air from other parts of the building; often coupled with HEPA or carbon filters to capture particulates or odours.


NEGATIVE PRESSURE

A condition of lower air pressure than the surrounding areas, causing air to flow towards the area of negative pressure. Usually induced to limit the spread of dust or contaminants.