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rem
This term functions as a technical measurement specifically designed to quantify the biological damage caused by ionizing radiation. It shifts the focus from the physical energy absorbed by a material to the actual health risk posed to living organisms, making it a critical metric in radiological safety and medical physics.
As a unit of measurement, it follows the standard behavior of scientific units. While it can be pluralized in general speech, it is frequently treated as an invariant unit in technical specifications or when preceded by a specific numerical value, similar to how one might say 5 volt or 10 watt in certain engineering contexts.
Meanings
Examples
The safety limit for workers is set at 5 rem per year.
How many rem did the crew receive during the mission?
A dose of 100 rem can cause acute radiation syndrome.
The sensor detected a spike of 2 rem in the containment area.
Historical records show the blast released thousands of rem.
Historical records show the blast released thousands of rem.
Keep the exposure well below 1 rem to ensure safety.
The report lists the cumulative dose as 0.5 rem.