Source : Webster's Revised Unabridged Dictionary (1913)

Deliquium \De*liq"ui*um\, n. [L. See {Deliquiate}.]
   1. (Chem.) A melting or dissolution in the air, or in a moist
      place; a liquid condition; as, a salt falls into a
      deliquium. [R.]

Source : WordNet®

deliquium
     n : a spontaneous loss of consciousness caused by insufficient
         blood to the brain [syn: {faint}, {swoon}, {syncope}]