TECTONICS n.
The science, or the art, by which implements, vessels, dwellings, or other edifices, are constructed, both agreeably to the end for which they are designed, and in conformity with artistic sentiments and ideas.
TELESCOPIC; TELESCOPICAL a.
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.