noun
the branch of physics concerned with matter in its plasma phase
• Hypernyms: ↑physics, ↑natural philosophy
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noun plural but singular in construction• plasma physicist noun
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plasma physics,
a branch of physics dealing with highly ionized gas, especially as it appears in a wide range of cosmic phenomena and as it is used in controlled thermonuclear reactions: »
Plasma physics owes much to astronomical studies of the motions of ionized and magnetized solar gases (Scientific American).
Useful english dictionary. 2012.