extendibility|ɛkˌstɛndɪˈbɪlɪtɪ| [f. next: see -ity.] Capability of being extended; extensibility. 1477Norton Ord.Alch. v. in Ashm. (1652) 58 Fier is cause of extendibility, And causeth matters permiscible to be.1820L. Hunt IndicatorNo. 32 (1822) I. 249 The extendibility of this judicious imprecation to deeds.