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Fly ash Ash generated during combustion expelled along with flue gas
Focal length lens Distance between the focal point of lens and its optical center
Focal length mirror Distance between the center of a mirror and its focal point
Focal point lens Point in space where parallel light rays meet after passing through
the lens
Force Force is any action that alters or maintains the motion of a body or distorts it
Forensic medicine (forensic pathology) Specialty of medical science that deals
with the application of knowledge of medical scenic to establish facts in legal
cases
Forest fire Burning of forest
Fuel cell Container in which fuel is directly converted in to energy
Fungi Living organisms with cell walls containing chitin and capable of digesting
organic matter before absorbing
Gas migration Movement of gas from one area to another
Gastroenterology Specialization of medical science that is concerned with digestive system and its disorders
Gene The basic biological unit of heredity
Genetic disease Genetic disease caused by abnormalities formed in the genome.
Genetic disorders may be hereditary or due to mutation (changes to the DNA)
Geo fence (in the context of GIS) Virtual perimeter for a geographic area
Geo tag (in the context of GIS) Process of adding geographical identification
mechanism
GHG (greenhouse gas) Gases that have capability to absorb and emit heat
Gibbs energy The energy associated with a chemical reaction that can be used to
do work
Global warming Rise in the average global temperature
GLOF (Glacier lake outburst flood) Flooding due to the outburst of a glacier lake
Gravitational force The gravitational force is the force of attraction between two
objects with mass
Green building Structures that are resource-efficient and environment-friendly
throughout a building’s life-cycle
Green fuel Also called as biofuel. It is the fuel whose energy is obtained by a process of biological carbon fixation
Greenhouse effect It is the rise in temperature similar polyhouse/glass house
used to grow plants where in the heat is retained. The phenomenon in which the
absorption of infrared radiation by the GHGs in atmosphere rises temperature of
the earth
Green technology Applied science to preserve the natural resources and
environment
Green waste All types of organic yard and landscaping waste
Greenhouse gas (GHG) Gases capable of absorbing solar heat
Groundwater Water present in the spaces between soil particles and between rock
surfaces
Groundwater recharge Process of adding external water to ground
Glossary
Fly ash Ash generated during combustion expelled along with flue gas
Focal length lens Distance between the focal point of lens and its optical center
Focal length mirror Distance between the center of a mirror and its focal point
Focal point lens Point in space where parallel light rays meet after passing through
the lens
Force Force is any action that alters or maintains the motion of a body or distorts it
Forensic medicine (forensic pathology) Specialty of medical science that deals
with the application of knowledge of medical scenic to establish facts in legal
cases
Forest fire Burning of forest
Fuel cell Container in which fuel is directly converted in to energy
Fungi Living organisms with cell walls containing chitin and capable of digesting
organic matter before absorbing
Gas migration Movement of gas from one area to another
Gastroenterology Specialization of medical science that is concerned with digestive system and its disorders
Gene The basic biological unit of heredity
Genetic disease Genetic disease caused by abnormalities formed in the genome.
Genetic disorders may be hereditary or due to mutation (changes to the DNA)
Geo fence (in the context of GIS) Virtual perimeter for a geographic area
Geo tag (in the context of GIS) Process of adding geographical identification
mechanism
GHG (greenhouse gas) Gases that have capability to absorb and emit heat
Gibbs energy The energy associated with a chemical reaction that can be used to
do work
Global warming Rise in the average global temperature
GLOF (Glacier lake outburst flood) Flooding due to the outburst of a glacier lake
Gravitational force The gravitational force is the force of attraction between two
objects with mass
Green building Structures that are resource-efficient and environment-friendly
throughout a building’s life-cycle
Green fuel Also called as biofuel. It is the fuel whose energy is obtained by a process of biological carbon fixation
Greenhouse effect It is the rise in temperature similar polyhouse/glass house
used to grow plants where in the heat is retained. The phenomenon in which the
absorption of infrared radiation by the GHGs in atmosphere rises temperature of
the earth
Green technology Applied science to preserve the natural resources and
environment
Green waste All types of organic yard and landscaping waste
Greenhouse gas (GHG) Gases capable of absorbing solar heat
Groundwater Water present in the spaces between soil particles and between rock
surfaces
Groundwater recharge Process of adding external water to ground
Glossary