Glossary M

The Environmental Glossary. Letter M +++ Popular Articles: 'Monitoring', 'Measurement', 'Mean'

A Mechanical Ventilation is the use of fans, either electric or pneumatic, to ventilate houses.

A Mechanically Ventilated Crawlspace System is a system designed to increase ventilation within a crawlspace,

A medfly is the Mediterranean fruit fly, a flying insect.

A Median is the middle value of a set of values (i.e., half the numbers are less than or equal to the median value). A median is the 50th Percentile of the data.

Deutsch: Medizinische Intervention / Español: Intervención médica / Português: Intervenção médica / Français: Intervention médicale / Italiano: Intervento medico

Medical intervention refers to the measures taken to diagnose, treat, or prevent medical conditions or health problems. In the environmental context, it involves addressing the health impacts caused by environmental factors, such as pollution, climate change, or exposure to harmful substances. These interventions aim to mitigate or prevent the adverse health effects that arise from environmental hazards and to improve public health outcomes.

A MEFR is Maximum expiratory flow rate

A megalopolis is a large city expanding so fast that city government cannot adjust to provide services (such as garbage disposal).

Deutsch: Mitglied / Español: Miembro / Português: Membro / Français: Membre / Italiano: Membro

Member in the environmental context refers to an individual, organisation, or entity that is part of a group, initiative, or network focused on addressing environmental issues. Members contribute to collective efforts aimed at promoting sustainability, conservation, and environmental protection through collaboration, advocacy, and action.

Deutsch: Membran / Português: Membrana / Français: Membrane
A membrane is a selective barrier. At times, it is also an outer covering of cell or cell organelle that allows the passage of certain constituents and retains other constituents found in the liquid.

Deutsch: Quecksilber / Español: Mercurio / Português: Mercúrio / Français: Mercure / Italiano: Mercurio /

Mercury is a naturally occurring element that is found in air, water, and soil. It exists in several forms: elemental or metallic mercury, inorganic mercury compounds, and organic mercury compounds.