tertium quid

2 definitions found

tertium quid - Collaborative International Dictionary of English v.0.48 :

  Tertium quid \Ter"ti*um quid\ [L.]
     A third somewhat; something mediating, or regarded as being,
     between two diverse or incompatible substances, natures, or
     positions.
     [Webster 1913 Suppl.]

tertium quid - WordNet (r) 2.1 (2005) :

  tertium quid
      n 1: some third thing similar to two opposites but distinct from
           both