Glossary of Radiological Terminology (M)

GLOSSARY OF
RADIOLOGICAL TERMINOLOGY

MASS NUMBER The number of nucleons (neutrons and protons) in the nucleus of an atom. Symbol: A

MEMBER OF THE PUBLIC An individual in a controlled or unrestricted area who is not a radiation worker.
MICROCURIE (uCi) One-millionth of a curie (0.000001 Ci).
MILLICURIE (mCi) One-thousandth of a curie (0.001 Ci).
MINOR An individual less than 18 years of age.
MOLECULE The smallest unit of a compund that can exist by itself and retain all its chemical properties.
MONITORING The measurement of radiation levels, concentrations, surface area concentrations or quantities of radioactive material and the use of the results of these measurements to evaluate potential exposures and doses.

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MASS NUMBER	The number of nucleons (neutrons and protons) in the nucleus of an atom. Symbol: A
MEMBER OF THE PUBLIC	An individual in a controlled or unrestricted area who is not a radiation worker.
MICROCURIE (uCi)	One-millionth of a curie (0.000001 Ci).
MILLICURIE (mCi)	One-thousandth of a curie (0.001 Ci).
MINOR	An individual less than 18 years of age.
MOLECULE	The smallest unit of a compund that can exist by itself and retain all its chemical properties.
MONITORING	The measurement of radiation levels, concentrations, surface area concentrations or quantities of radioactive material and the use of the results of these measurements to evaluate potential exposures and doses.