Energy Encyclopedia

Glossary

Defined terms

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All domainsFusionNuclearSolarWindHydroGeothermalBiomassHydrogenElectricityStorage

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IAEA

International Atomic Energy Agency.

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Ignition

Self-heating fusion plasma.

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Inertial confinement

Compressing fusion fuel faster than it can fly apart.

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INES

International nuclear event scale.

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Inherent safety

Safety that follows from physics, not active systems.

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Ion cyclotron heating

RF heating at the ion cyclotron frequency.

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Ionising radiation

Radiation that can ionize atoms.

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Island divertor

Stellarator exhaust using magnetic islands.

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Isotope

Atoms of an element with different neutron numbers.

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ITER

International tokamak under construction in France.