telescopic

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Of or relating to a telescope.
2. adj. Seen or obtained by means of a telescope: telescopic data.
3. adj. Visible only by means of a telescope: a bright star with a telescopic companion.
4. adj. Capable of discerning distant objects: telescopic vision.
5. adj. Extensible or compressible by or as if by the sliding of overlapping sections.

Century Dictionary and Cyclopedia

1. Of or pertaining to the telescope or its use; obtained by means of a telescope: as, a telescopic view of the moon.
2. That can be seen or discovered by the telescope only: as, telescopic stars.
3. Seeing at a great distance; far-seeing.
4. Capable of being extended or shut up like a spy-glass; having joints or sections which slide one within another; especially, in machinery, constructed of concentric tubes, either stationary, as in the telescopic boiler, or movable, as in the telescopic chimney of a war-vessel, which may be lowered out of sight in action, or in the telescopic jack, a screw-jack in which the lifting head is raised by the action of two screws having reversed threads, one working within the other, and both sinking or telescoping within the base—an arrangement by which greater power is obtained.
5. In zoology: Stalked; mounted on an ophthalmite, stem, or peduncle, as an eye.
6. Capable of protrusion and retraction, as if jointed like a telescope, or like the joints of a telescope: as, telescopic eyes, feelers, horns, or feet.

Wiktionary

1. adj. of, relating to, obtained with, or observable using a telescope
2. adj. capable of seeing distant objects
3. adj. capable of being extended or compressed by the use of parts that slide over one another
4. adj. Seen or discoverable only by means of a telescope.

GNU Webster's 1913

1. adj. Of or pertaining to a telescope; performed by a telescope.
2. adj. Seen or discoverable only by a telescope.
3. adj. Able to discern objects at a distance; farseeing; far-reaching.
4. adj. Having the power of extension by joints sliding one within another, like the tube of a small telescope or a spyglass; especially (Mach.), constructed of concentric tubes, either stationary, as in the telescopic boiler, or movable, as in the telescopic chimney of a war vessel, which may be put out of sight by being lowered endwise.

WordNet 3.0

1. adj. visible only with a telescope
2. adj. having parts that slide one within another
3. adj. capable of discerning distant objects