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Today's Terms
Acute Exposure
Definition:
A single exposure to a toxic substance, which results in severe biological harm or death. Acute exposures are usually characterized as lasting no longer than a day, as compared to longer, continuing exposure over a period of time.
Caisson Disease
Definition:
A sometimes fatal disorder that afflicts workers in a compressed air atmosphere who return to normal air pressure too quickly; decompression sickness; also called The Bends, Air Embolism, or Aerembolism.
Hot wire
Definition:
The wire that carries electrical energy to a receptacle or other device—in contrast to a neutral, which carries electricity away again. Normally the black wire. Also see ground.
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