Ir`re·solv'a·ble adjective [ Prefix ir- not + resolvable . Confer Irresoluble .] Incapable of being resolved; not separable into component parts. Irresolvable nebulæ (Astron.) , nebulæ of a cloudlike appearance, which have not yet been resolved by the teles... Found on http://www.encyclo.co.uk/webster/I/99