Author: Glossary
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Activating enzyme
An enzyme that catalyzes the attaching of an amino acid to the appropriate transfer ribonucleic acid.
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Enzootic
An endemic disease limited to a small number of animals.
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Envy
Unhappiness about or the wish to possess qualities, physical attributes, or belongings of someone else.
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Environmental sleep disorder
Sleep disturbances resulting from excessive noise, light, heat, cold, movements of one’s bed partner, or unfamiliar surroundings (e.g., sleeping in hospitals, hotels, planes, trains).
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Impaired environmental interpretation syndrome
Consistent lack of orientation to person, place, time, or circumstances over more than 3 to 6 months, necessitating a protective environment.
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Environmental health technician
A technician who assists in the survey of environmental hazards and performs technical duties under professional supervision in areas such as pollution control, radiation protection, and sanitation.
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Environmental control unit
An electronic device that remotely controls home climate (e.g., heating, air conditioning), security (e.g., lighting, door locks, drapes), and communication devices (telephone, television). ECUs are often, but not exclusively, used by persons with functional limitations.
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Environmental control
In occupational health and safety, a design feature, e.g., in a hospital or workplace, that limits the risk of on-the-job injury.
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Virtual learning environment
A form of computer-assisted education in which students participate in their studies by accessing recorded lectures, case-based tutorials, weblinks, audio and video clips, and e-mail, instead of gathering in a single geographically limited location for group lectures and laboratory study.
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Thermoneutral environment
An environment with an ambient temperature that minimizes the risk of heat loss via conduction, convection, radiation, and evaporation; often used to protect newborns.