From The Collaborative International Dictionary of English v.0.48 [gcide]:
Polytechnic \Pol'y*tech"nic\ (p[o^]l'[i^]*t[e^]k"n[i^]k), adjective [Gr. poly'technos; poly's many + te'chnh an art: cf. F. polytechnique.] Comprehending, or relating to, many arts and sciences; -- applied particularly to schools in which many branches of art and science are taught with especial reference to their practical application; as, a polytechnic institute; also to exhibitions of machinery and industrial products.
From WordNet (r) 3.0 (2006) [wn]:
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