Also known as: GR+, GR., GR-, GR@
GR has various meanings in the Science category. Discover the full forms, definitions, and usage contexts of GR in Science.
Crystalline carbon used in very pure form as a moderator, principally in gas-cooled reactors, but also in Soviet-designed RBMK reactors.
ScienceTakes about the same amount of time to type as "great."
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