a ladder having two or more sections joined by a sliding mechanism that allows the ladder to be extended to the total length.
- Extension language kit
language (Elk) A Scheme interpreter by Oliver Laumann firstname.lastname@example.org and Carsten Bormann email@example.com of the Technical University of Berlin. Elk was designed to be used as a general extension language. New types and primitive procedures can easily be added. It has first-class environments, dynamic-wind, fluid-let, macros, autoloading and a dump. It provides interfaces to Xlib, […]
noun 1. the provision of library materials and services outside the library’s regular service center or outlet.
noun 1. a folding rule having a sliding part equal in length to one section so as to permit exact measurement of internal dimensions.
noun, Photography. 1. any of a series of tubes of varying lengths placed between the lens and a camera body to facilitate closeup focusing.