Glossary
Defined terms
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H
H
Half-life
Time for half of a radionuclide to decay.
H
Heavy water
Water with deuterium instead of ordinary hydrogen.
H
Helias
Modular stellarator configuration.
H
Heliostat
Sun-tracking mirror.
H
Hohlraum
Cavity that converts laser light to X-rays.
H
Hormesis
Hypothesis that low doses may be beneficial.
H
HTGR
High-temperature gas-cooled reactor.
H
HVDC
High-voltage direct current transmission.
H
Hydrogen
Lightest element; energy carrier when manufactured.