Glossary A

The Environmental Glossary. Letter A +++ Popular Articles: 'Absorption', 'Abatement Debris', 'Acclimatization'

An Anhydrous Ammonia is a fertilizer used to provide nitrogen for crop production.

Deutsch: Tier / Español: Animaliaa / Português: Animalia / Français: Animal / Italiano: Animalia


Animals are multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their lives.

An Animal Dander is Tiny scales of animal skin, a common indoor air pollutant.

Animal Studies are Investigations using animals as surrogates for humans with the expectation that the results are pertinent to humans.

Anions are negatively charged Molecule such as sulfate (SO4(2-)) and nitrate (NO3-). In combination with hydrogen (H+), these molecules act as strong acids.

An Anisotropy is In hydrology, the conditions under which one or more hydraulic properties of an Aquifer vary from a reference point.

Annex I Parties are Industrialized countries that, as parties to the Framework Convention on Climate Change, have pledged to reduce their greenhouse gas Emissions by the year 2000 to

An Annual Consumption is Annual Consumption refers to the amount of electricity used by a Consumer in one

An annual statistical summary is a document that presents a brief and comprehensive report of EMAP data collected on a single EMAP resource for a specific year.

An Annular Space, Annulus is the space between two concentric tubes or casings, or between the casing and the Borehole wall