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rem

rem

4 9.4
A unit for measuring how much radiation a person receives
  • noun
  • /rɛm/
  • Specialized
: rem
  • A unit he may be comfortable with is rems, and 1 Sv = 100 rem.
  • dose of rem

Examples

  • The doctor reported that the patient had received a dose of 50 rem after the radiation treatment.

  • A rem is a unit of ionizing radiation.

  • In 30,000 years, you get 6,000 rems worth of cosmic rays.

    Blog text (26)
  • The Hiroshima and Nagasaki victims received about 130 rems, although some people got much more.

    Academic text (1992)
  • The level of radiation in the hot spots around the damaged Fukushima nuclear reactor was 0.1 rem (zero point one).

    Blog text (13)
  • Let's be cautious and assume that, if the Hiroshima victims had received 500 rem only in their lungs, it would have obliterated their air sacs.

    Academic text (1992)
  • In other words, if a dose of 130 rem increases one's risk of cancer death by 5 percent, then a dose of 13 rem should increase it by 0.5 percent and a dose of 1.3 rem should increase it by 0.05 percent.

    Academic text (1992)
  • According to a statistical scale developed by the National Academy of Sciences, 45 rem should have raised cancer deaths of residents near Chernobyl from the naturally occurring average of 20% to about 21.8%—or roughly 500 excess fatalities.

    Academic text (2012)
  • Workers at the nuclear plant are monitored closely to ensure they do not exceed the safe limit of 5 rem per year.

  • In occupational settings, a maximum exposure of 100 rem is typically considered the limit for a safe working lifetime.

Compounds

REM sleep
  • Specialized
13 4.1

A stage of sleep with fast eye movement, clear dreams, and high brain activity

9.9

A court decision that says who owns a particular thing

Surface Forms

rem singular
rems plural

Etymology

Rem is a short form of roentgen equivalent man. Roentgen is a name for an X-ray dose, equivalent means 'same effect', and man means 'person', so a rem measures how much radiation would affect a person.