rad
7
9.9
- noun
- /ræd/
- Archaic
:
rad
- Today, in the US, 5 rads per year is considered acceptable.
Examples
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Initial blast would throw 60 rads of radiation out 3 miles.
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By comparison, 1,000 rads is almost guaranteed to kill a human being.
Academic text (1996) -
Okay, I'm getting really good rad readings.
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Okay, I'm picking up rad readings under that bridge right down there.
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Perhaps a thousand rads during mission life.
Fiction book (1999) -
800 rads, 1,000, difficult to say.
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The pilot will be exposed to a dose of 3500 rads.
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Some 1,200 children received up to 650 rad, and a smaller group perhaps as much as 2,900.
Academic text (1990) -
In 1949, more than 30% of the people working in the reprocessing plant received 100-400 rads of radiation.
Academic text (1996) -
The doctor explained that exposure of 100 rads can result in significant health risks.
Compounds
Surface Forms
Etymology
The word rad is short for radiation absorbed dose, a name that literally says 'how much radiation was absorbed'. So a rad measures the energy taken into a material, which is why scientists use it to report radiation exposure.