rediˈssolvable,a. [re- 5 a.] Redissoluble. 1790Crawford in Phil.Trans. LXXX. 413 A slight white precipitate not re-dissolvable in a large quantity of water.1801Chenevix ibid. XCI. 197 note, If all is re⁓dissolvable, [he] concludes there is no silica or alumina.