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Appendix G: Glossary
Pages 123-126

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From page 123...
... a shape of a container holding fissile material in which the geometric dimensions prevent a criticality excursion regardless of enrichment, concentration, or water-equivalent external reflection any mixture of Missile nuclides (uranium-233, uranium-235, and plutonium-239) capable of criticality a measure (in units of area)
From page 124...
... psig literally, pounds per square inch gauge, a measure of pressure from a gauge that compares to an ambient atmospheric reading (psi" = psia 1 atm; 1 atm = 0 psi") radiolysis any chemical reaction induced by the effects of ionizing radiation reductant a substance participating in a chemical reaction by reducing, or adding an electron to, a species of interest, thereby lowering its oxidation state
From page 125...
... APPENDIX G GLOSSARY roentgen torr G.3 a unit of radiation exposure; currently defined as 2.58 x 10-4 coulombs per kilogram and derived historically as the amount of gamma radiation that produces 1 electrostatic unit of charge (via production of ions) in ~ cm3 of air at 1 atm and O°C millimeters of mercury, a measure of pressure (latm=760torr)

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