Dictionary Check: milliroentgen

"milliroentgen" is a valid word!

Scrabble 16 points
Words with Friends 22 points

Definition

noun

a unit of exposure to ionizing radiation, one thousandth of a roentgen.

Example: "The typical exposure to normal background radiation for a human being is about 200 milliroentgens per year, or about 23 microroentgens per hour."

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