extendable

Capable of being extended.

Adjective

  1. Capable of being extended.
    • The extendable boom of the arm is designed to reach out 10 feet and have a lateral range of 120 degrees. - 1976 July 24, John Noble Wilford, “SCIENTISTS FEEL THEY CAN FIX ARM ON VIKING LANDER”, in The New York Times:

Origin

Etymology tree English extend Proto-Indo-European *-tḗr Proto-Indo-European *-dʰlom Proto-Indo-European *-dʰlis Proto-Italic *-ðlis Latin -bilis Latin -ābilis Old French -ablebor. Middle English -able English -able English extendable From extend + -able.

Forms

more extendable most extendable extendible

Derived

hyperextendable nonextendable unextendable