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Ecotone Changeover area between adjacent ecological communities
Elastic limit The maximum stress to which the body can recover its original size
and shape on the elimination of the deforming force
Elasticity Property of a body due to which it regains its original configuration after
removing deforming forces
Electric charge Property of matter responsible for electrical phenomena
Electric circuit Route in which electrons from source of electric current move
Electric field Region around an electrically charged object or particle wherein an
electric charge feels the force
Electric load Part of the circuit that performs work (e.g., a television, motor)
Electric potential Potential energy of a unit charge
Electric power Work done by an electrical current
Electrical conductance The ease of flow of electric current
Electrical current Rate of flow of electrons, through a conductor
Electrical resistance Opposition to the movement of electric current
Electro static precipitator Air pollution control equipment that uses electrostatic
force to remove particulate matter
Electromagnetic fields (EMF) Property of space produced by motion of an electric charge
Electronics Specialization of science that is concerned with control of the motion
of electrons
Electrons Negatively charged particle of an atom. They revolve around nucleus of
an atom in different orbits (or shells)
Element A chemical element is a chemical substance containing of atoms having
the same atomic number
Emergency Event that requires immediate action to minimize its adverse
consequences
Emission Pollutants released in the air
Emission factors Extent of pollutant emitted per input unit, or per unit of production, or per fuel unit, or per kilometer driven
Emission standards Legal necessities with respect to air pollutants released into
the atmosphere
Enactment Duly adopted law
End of life vehicle Vehicle that has completed its useful period
Endangered species Species threatened with extinction
Endemic Restricted to a region
Endocrinology Specialty of medical science dealing with hormones and their
effect throughout the body
Energy Capacity for doing work is called energy
Enforcement Compelling obedience or executing or making effective
Environmental monitoring A regular or continuous periodic sampling followed
by analysis or direct measurement of environmental attributes
Environmental pharmacology Branch of pharmacology that concerns with the
entry of drugs into the environment after they are excreted by humans and animals in post-therapy
Glossary
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