300
GWP (global warming potential) Ratio of warming of atmosphere of the gases to
that caused by same mass of CO 2
Gynecology (gynecology) Field of study concerned with the health of the female
reproductive systems as well as the breasts
Gyres Circular ocean current
Habitat Locality where an organism or population naturally occurs
Hemodynamics Dynamics of blood flow
Hail storm Type of storm characterized by hail as the prevailing part of its
precipitation
Halocarbons Group of halogenated organic compounds
Hazard Threatening event within a given time period/area
Health outcome Health condition observed in a population or an individual
Heat Flow of thermal energy
Heat capacity Ratio of heat absorbed by a substance to the change in temperature
Heat island An urban area with ambient temperatures more than that of the surrounding non-urban area
Heat of fusion Amount of heat necessary to melt a substance at its normal melting
temperature
Heat of vaporization Heat necessary to evaporate the substance at its normal boiling point
Heat wave Prolonged period of extremely hot weather relative to normal climate
patterns in a given region
Heavy metals Metallic elements having high atomic weights
Hematology (or hematology) It is a medical specialization concerned with the
study of diseases related to blood that includes problems with the blood cells,
platelets, spleen, bone marrow, blood vessels, lymph nodes, as well as the proteins involved in bleeding/clotting
Hereditary or inherited disease Disease inherited genetically
Hibernation State of inactivity due to lower metabolic rate
Homeostasis The state of steady internal conditions conserved by living things
Human anatomy Specialty of medical science that deals with body structure of
humans
Hybrid vehicles Vehicles that use two sources for energy
Hydrocarbon Chemical compound consisting only hydrogen and carbon
Hydrographic events Events that alter the condition or current of waters in surface
water bodies
Hydrologic cycle Continuous circulation of water throughout the atmosphere and
earth
Hydrological disasters Events caused by variation in the normal water cycle and/
or overflow of surface water bodies
Hydrophilic Attracted to water
Hypoxic events Events that lead to a deficiency of oxygen
Iatrogenic disease Disease caused by medical intervention
ICD-10 International Classification of Disease, 10th revision
Idiopathic disease Disease with no identifiable cause
Glossary
GWP (global warming potential) Ratio of warming of atmosphere of the gases to
that caused by same mass of CO 2
Gynecology (gynecology) Field of study concerned with the health of the female
reproductive systems as well as the breasts
Gyres Circular ocean current
Habitat Locality where an organism or population naturally occurs
Hemodynamics Dynamics of blood flow
Hail storm Type of storm characterized by hail as the prevailing part of its
precipitation
Halocarbons Group of halogenated organic compounds
Hazard Threatening event within a given time period/area
Health outcome Health condition observed in a population or an individual
Heat Flow of thermal energy
Heat capacity Ratio of heat absorbed by a substance to the change in temperature
Heat island An urban area with ambient temperatures more than that of the surrounding non-urban area
Heat of fusion Amount of heat necessary to melt a substance at its normal melting
temperature
Heat of vaporization Heat necessary to evaporate the substance at its normal boiling point
Heat wave Prolonged period of extremely hot weather relative to normal climate
patterns in a given region
Heavy metals Metallic elements having high atomic weights
Hematology (or hematology) It is a medical specialization concerned with the
study of diseases related to blood that includes problems with the blood cells,
platelets, spleen, bone marrow, blood vessels, lymph nodes, as well as the proteins involved in bleeding/clotting
Hereditary or inherited disease Disease inherited genetically
Hibernation State of inactivity due to lower metabolic rate
Homeostasis The state of steady internal conditions conserved by living things
Human anatomy Specialty of medical science that deals with body structure of
humans
Hybrid vehicles Vehicles that use two sources for energy
Hydrocarbon Chemical compound consisting only hydrogen and carbon
Hydrographic events Events that alter the condition or current of waters in surface
water bodies
Hydrologic cycle Continuous circulation of water throughout the atmosphere and
earth
Hydrological disasters Events caused by variation in the normal water cycle and/
or overflow of surface water bodies
Hydrophilic Attracted to water
Hypoxic events Events that lead to a deficiency of oxygen
Iatrogenic disease Disease caused by medical intervention
ICD-10 International Classification of Disease, 10th revision
Idiopathic disease Disease with no identifiable cause
Glossary