Glossary A

The Environmental Glossary. Letter A +++ Popular Articles: 'Acid', 'Absorption', 'Absorbed Dose'

An accuracy is the degree to which a calculation, a measurement, or set of measurements agree with a true value or an accepted reference value. "accuracy includes a combination

An acequia is acequias were important forms of irrigation in the development of agriculture in the American Southwest.

Deutsch: Säure / Español: Ácido / Português: Ácido / Français: Acide / Italiano: Acido /

An Acid is a Corrosive solution with a pH less than 7.

Deutsch: Säureablagerung / Español: Deposición ácida / Português: Deposição ácida / Français: Déposition acide / Italiano: Deposizione acida

Acid deposition refers to the process by which acidic pollutants are deposited from the atmosphere to the Earth's surface. This includes both wet deposition (acid rain, snow, fog) and dry deposition (acidic gases and particles).

Deutsch: Säuremine-Abfluss / Español: Drenaje Ácido de Minas / Português: Drenagem Ácida de Minas / Français: Drainage Acide des Mines / Italiano: Drenaggio Acido delle Miniere /

An Acid Mine Drainage is Drainage of water from areas that have been mined for coal or other mineral ores.

Deutsch: Säureneutralisierungskapazität / Español: Capacidad de neutralización de ácidos / Português: Capacidade de neutralização de ácidos / Français: Capacité de neutralisation des acides / Italiano: Capacità di neutralizzazione degli acidi /

An Acid Neutralizing Capacity (ANC) is a measure of the ability for water or soil to neutralize added acids. This is done by the reaction of hydrogen ions with inorganic or organic bases such as bicarbonate (HCO3-) or organic ions.

Deutsch: Saurer Regen / Español: Lluvia Ácida / Português: Chuva Ácida / Français: Pluie Acide / Italiano: Pioggia Acida /

Acid rain is the result of sulfur dioxide (SO2) and nitrogen oxides (NOx) reacting in the atmosphere with water and returning to earth as rain, fog, or snow. Broadly used to include both wet and dry deposition. The acid rain page provides a great deal of information about this issue.

An Acid Rinse is Part of the equipment cleaning process for stainless steel and rubber parts, removes fat, protein and minerals and also reduces bacteria.

(See Equipment Sanitization)

An Acid Solution is any water solution that has more hydrogen ions (H+) than hydroxide ions (OH-); any water solution with a pH less than 7.

See basic solution, neutral solution.

Deutsch: Sauer / Español: Ácido / Português: Ácido / Français: Acide / Italiano: Acido /

Acidic is the condition of water or soil that contains a sufficient amount of Acid substances to lower the pH below 7.0.

See Acid solution.