millirad


Also found in: Medical.

millirad

[′mil·ə‚rad]
(nucleonics)
A unit of absorbed ionizing radiation dose equal to one-thousandth of a rad. Abbreviated mrad.
References in periodicals archive ?
According to the US Food and Drug Administration, the radiation emitted by X-ray machines is 1 millirad or less, while the average level we are exposed to in the natural environment is 360 millirad every year, reported the South China Morning Post.
While the latter offers a monochrome image, it does so with a resolution of one millirad or approximately 6400 pixels around the vehicle down to the near-infrared spectrum (1.1 micron), although full darkness vision is possible due to an integrated invisible spectrum illuminator.
After an exposure greater than 10 mGy (1000 millirad), the unborn baby has a fractional risk of developing cancer in childhood.
According to LNT, if a 1 Gy (100 rad) dose gives a cancer risk R, the risk from a dose of 0.01 Gy (1 rad) is R/ 100, the risk from 0.00001 Gy (1 millirad) is R/100,000, and so on.
Each page that offers a position includes method, excellent photographs, average technique factors for given film-screen combinations, average patient millirad doses and a blank chart for recording department-specific techniques.
Les exportations non petrolieres a destination du marche saoudien s'elevent a 2 millirads et 659 millions de livres.
A passenger flying from New York to Paris might be exposed to five millirads of cosmic radiation dispersed to the entire body.