Nuclear energy and radiation terminology · MLC-0119

Nuclear energy and radiation terms: M (22)

• Mass numberThe number of nucleons (neutrons and protons) in the nucleus of an atom. Also known as the atomic weight.
• Mass-energy equationThe equation developed by Albert Einstein, which is usually given as E = mc^2, showing that, when the energy...
• Maximum dependable capacity (gross)The maximum amount of electricity that the main generating unit of a nuclear power reactor can reliably...
• Maximum dependable capacity (net)The gross maximum dependable capacity of the main generating unit in a nuclear power reactor, minus the...
• Mega-A prefix that multiplies a basic unit by 1,000,000 (10 to the sixth power).
• MegacurieOne million curies.
• MegawattA unit of power equivalent to one million watts.
• Megawatt-hourA unit of energy equivalent to 1,000 kilowatts of electricity used continuously for 1 hour.
• Metric tonA unit of measurement equivalent to 1,000 kilograms or about 2,000 pounds.
• Micro-A prefix that divides a unit into one million parts (0.000001).
• MicrocurieOne millionth of a curie. That amount of radioactive material that disintegrates (decays) at the rate of 37...
• Mill tailingsPrimarily, the solid residue from a conventional uranium recovery facility in which uranium or thorium ore is...
• Milli-A prefix that divides a basic unit by 1000.
• MilliremOne thousandth of a rem (0.001 rem).
• MilliroentgenOne thousandth of a roentgen (R). 1mR = 10^(-3) R = 0.001 R.
• Mixed-oxide (MOX) fuelA type of nuclear reactor fuel that contains plutonium oxide mixed with either natural or depleted uranium...
• ModelA mathematical representation of a physical process or phenomenon.
• ModeratorA material, such as ordinary water, heavy water, or graphite, that is used in a reactor to slow down...
• Moderator temperature coefficient of reactivityAs the moderator (water) increases in temperature, it becomes less dense and slows down fewer neutrons, which...
• ModuleAn individual component of a software product.
• MoleculeA group of atoms held together by chemical forces. A molecule is the smallest unit of a compound that can...
• Monitoring of radiationPeriodic or continuous determination of the amount of ionizing radiation or radioactive contamination in a...

22 of 555 terms in Nuclear energy and radiation terminology (MLC-0119). Request the full dataset.