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superfluidity Definition

super·flu·id·ity (so̵̅o̅′pər flo̵̅o̅ id′ə tē)

noun

the phenomenon, exhibited by liquid helium at temperatures below 2.18°K, of flowing without friction and having very high thermal conductivity

superfluidity Related Forms
su′per·flu′id (-flo̵̅o̅′id) noun, adjective