zero-point energy
[ zeer-oh-point ]
/ ˈzɪər oʊˌpɔɪnt /
noun Physics.
energy in a substance at the temperature of absolute zero.
Origin of zero-point energy
First recorded in 1930–35
Words nearby zero-point energy
zero-base budgeting,
zero-coupon,
zero-divisor,
zero-emission,
zero-emission vehicle,
zero-point energy,
zero-rate,
zero-rated,
zero-sum,
zero-sum game,
zero-zero
Scientific definitions for zero-point energy
zero-point energy
The irreducible minimum energy possessed by a physical system, as of a substance at a temperature of absolute zero. The zero point energy of a vacuum is not zero due to vacuum fluctuations. See Note at absolute zero.