1. (a.) Having, or acting by means of, one pole only.

2. (a.) Having but one pole or process; -- applied to those ganglionic nerve cells which have but one radiating process; -- opposed to multipolar.

monadal monadic one-sided uniangulate unibivalent unibranchiate unicameral unicellular unicuspid unidentate unidigitate unidimensional unidirectional uniflorous unifoliate unifoliolate unigenital uniglobular unilateral unilinear uniliteral unilobed unilobular unimodular unimolecular uniocular unipart unipartite unipolar univalent univocal