From WordNet (r) 2.0 (August 2003) [wn]:
extensible
adj : capable of being protruded or stretched or opened out; "an
extensile tongue"; "an extensible measuring rule" [syn:
extensile] [ant: nonextensile]
From The Collaborative International Dictionary of English v.0.48 [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]
From The Free On-line Dictionary of Computing (19 Sep 2003) [foldoc]:
extensible
<programming> Said of a system (e.g., program, {file
format}, programming language, protocol, etc.) designed to
easily allow the addition of new features at a later date,
e.g. through the use of hooks, an API or plug-ins.
See also extend, forward compatible.
(1998-01-15)