English edit

Etymology edit

non- +‎ expression

Noun edit

nonexpression (countable and uncountable, plural nonexpressions)

  1. Absence of emotional expression.
    • 2007 October 2, Kent Sepkowitz, M.D., “Behind the Doctors’ Mask, a Little Room to Maneuver”, in New York Times[1]:
      Everyone who visits now has the same inscrutable nonexpression.
  2. That which is not a logical or mathematical expression.