Taber’s Cyclopedic Medical Dictionary Online + App from F.A. Davis and Unbound Medicine. Find 65,000 medical and nursing definitions. Download to iPhone, iPad, and Android. Explore these free sample topics:
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1. In health care, the ability of a material or a tissue to absorb electromagnetic radiation, esp. ionizing radiation.
2. In chemistry, the negative logarithm of the transmittance of radiation through a substance or solution.