English edit

Etymology edit

sub- +‎ nanokelvin

Adjective edit

subnanokelvin (not comparable)

  1. Having a temperature of less than a nanokelvin.
    • 2015, T.H. Johnson, F. Cosco, M.T. Mitchison, D. Jaksch, S.R. Clark, “Thermometry of arbitrary quantum systems via non-equilibrium work distributions”, in arXiv[1]:
      We provide examples, for a cold atom system, for which our thermometry protocol retains accuracy and precision at subnanokelvin temperatures.