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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MESOPHILLIC

Able to grow under moderate temperature and humidity (moisture) conditions (e.g., certain fungi).


METABOLISM

The biochemical reactions by which energy is made available for the use of an organism. Metabolism includes all chemical transformations occurring in an organism from the time a nutrient substance enters, until it has been used and the waste excreted.


METABOLITE

Any substance produced in or by biological processes.


METALITES

The enclosed air space provides improved thermal insulation.


METRE

A unit of length in the metric system. One metre is about 39 inches.


mg

see _milligram_


mg/kg

Milligrams per kilogram. A metric weight ratio used to express toxicological doses. see _g/kg_


mg/m3

Milligrams per cubic meter. A metric weight/volume ratio used to express concentrations of dusts, gases, fumes or mists in air.


MICRO

Something so small that it cannot be detected by unassisted human sensory means.


MICRO FLORA

Minute plants that are invisible to the naked eye.