Glossary M

The Environmental Glossary. Letter M +++ Popular Articles: 'Management', 'Matter', 'Mean'

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.

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.

A meridian is One of a group of abstract lines on the surface of the Earth formed by the longitude and latitude coordinate system. meridians represent lines of equal longitude

meridional zones are areas on the surface of the earth formed by adjacent meridians.

A Mesoscale Model (MM5): is the MM5 model was developed by the National Center for Atmospheric Research and Penn State University.

Metabolism is ability of a living cell or Organism to capture and transform Matter and Energy from its environment to supply its needs for survival, growth, and reproduction.

A Metadata is a component of data which describes the data. It is "data about data." The metadata files on this site describe the content, authors, lineage, and other characteristics

Deutsch: Metall / Español: Metal / Português: Metal / Français: Métal / Italiano: Metallo /

In the environmental context, 'metal' refers to a group of chemical elements characterized by their high electrical conductivity, malleability, and luster. Metals have various applications in industries and everyday life, but their extraction, use, and disposal can have significant environmental implications.

A metalimnion is the stratum of steep thermal gradient that separates the epilimnion from the hypolimnion in a thermally stratified lake.

Metamorphosis are in insects, the change from juvenile to adult form involving the reorganization of body tissue.

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