ammonic,a.rare.|əˈmɒnɪk| [f. ammonium + -ic: cf.potass-ic, sod-ic, etc.] Of or derived from ammonium (or ammonia). 1869Eng.Mech. 19 Mar. 581/3 To name one chemist who considers the solution ammonic hydrate.1876Harley Mat. Med. 111 Ammonic Carbonate is only known in solution.