Glossary A

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

Atomic energy is energy released in nuclear reactions. When a neutron splits an atom's nucleus into smaller pieces it is called fission.

An Atomic weight is the average weight (or mass) of all the isotopes of an element, as determined from the proportions in which they are present in a given element, compared with the

Atoms are Minute Particles that are the basic building blocks of all chemical elements and thus all matter.

Deutsch: Atrazin / Español: Atrazina / Português: Atrazina / Français: Atrazine / Italiano: Atrazina

Atrazine in the environmental context refers to a widely used herbicide primarily applied to control broadleaf and grassy weeds in crops such as corn, sorghum, and sugarcane. It is one of the most commonly used herbicides worldwide, especially in the United States. While effective in agriculture, atrazine poses significant environmental and health risks due to its persistence in the environment, ability to contaminate water sources, and its potential to disrupt ecosystems.

An Atropine is a poisonous white crystalline alkaloid, C17H23NO3, from belladonna and related plants, used to relieve spasms of smooth muscles. It is an anticholinergic agent.

An Attainment Area is an area considered to have air quality as good as or better than the national ambient Air Quality Standards as defined in the Clean Air Act. An area may be an

An Attenuation is the process by which a compound is reduced in Concentration over time, through absorption, adsorption, degradation, dilution, and/or transformation.

An Attractant is a chemical or Agent that lures insects or other pests by stimulating their sense of smell.

An attribute is any property, quality, or Characteristic of sampling unit. The Indicators and other measures used to characterize a sampling site or resource unit are representations

An Attrition is Wearing or grinding down of a substance by friction. Dust from such processes contributes to air pollution.