'Extensible' definitions:

Definition of 'extensible'

From: WordNet
adjective
Capable of being protruded or stretched or opened out; "an extensile tongue"; "an extensible measuring rule" [syn: extensile, extensible] [ant: inextensible, nonextensile, nonprotractile]

Definition of 'Extensible'

From: GCIDE
  • Extensible \Ex*ten"si*ble\, a. [Cf. F. extensible. See Extend.] Capable of being extended, whether in length or breadth; susceptible of enlargement; extensible; extendible; -- the opposite of contractible or compressible. "An extensible membrane" --Holder. [1913 Webster]