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| Languages Directory>English>for Specific Purposes>Environmental English Terms,ESL Definitions |
English for Science & Nature Glossary of Terms
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acid rain - the
precipitation of dilute
solutions of strong
mineral acids, formed by
the mixing in the
atmosphere of various
industrial pollutants,
primarily sulfur dioxide
and nitrogen oxides,
with naturally occuring
oxygen and water vapor.
act - in the
legislative sense, a
bill or measure passed
by the Government; a
law.
aerosol - a
suspension of small
liquid or solid
particles in gas.
air pollution
-
toxic or
radioactive gases or
particulate matter
introduced into the
atmosphere, usually
as a result of human
activity.
alternative energy
- energy that is not
popularly used and is
usually environmentally
sound, such as solar or
wind energy (as opposed
to
fossil fuels).
alternative fibers
- fibers produced from
non-wood sources for use
in paper making.
alternative fuels
- transportation fuels
other than gasoline or
diesel. Includes
natural gas, methanol,
and electricity.
alternative
transportation -
modes of travel other
than private cars, such
as walking, bicycling,
rollerblading,
carpooling and transit.
amendment - a
change or addition to an
existing law or rule.
ancient forest
- a forest that is
typically older than 200
years with large trees,
dense canopies and an
abundance of diverse
wildlife.
aquaculture -
the controlled rearing
of fish or shellfish by
people or corporations
who own the harvestable
product, often involving
the capture of the eggs
or young of a species
from wild sources,
followed by rearing more
intensively than
possible in nature.
aquifer -
underground source of
water.
arms control -
coordinated action based
on agreements to limit,
regulate, or reduce
weapon systems by the
parties involved.
ash -
incombustible residue
left over after
incineration or other
thermal processes.
asthma - a
condition marked by
laboured breathing,
constriction of the
chest, coughing and
gasping usually brought
on by allergies.
atmosphere -
the 500 km thick layer
of air surrounding the
earth which supports the
existence of all
flora and
fauna.
atomic energy
- energy released in
nuclear reactions. When
a neutron splits an
atom's nucleus into
smaller pieces it is
called
fission. When two
nuclei are joined
together under millions
of degrees of heat it is
called fusion. |
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