unicameral

adj. of one legislative house, of a parliament

For "unicameral" alphabets, see the article "letter case".For "The unicameral", see Nebraska Legislature. Unicameralism is the practice of having only one legislative or parliamentary chamber. Many countries with unicameral legislatures are often small and homogeneous unitary states and consider an upper house or second chamber unnecessary.
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Adjective
1. composed of one legislative body
(antonym) bicameral

(a.)
Having, or consisting of, a single chamber; -- said of a legislative assembly.
  

Synonyms and related words:
bicameral, congressional, deliberative, lawmaking, legislative, legislatorial, monadal, monadic, one-piece, one-sided, parliamentary, senatorial, uniangulate, unibivalent, unibranchiate, unicellular, unicuspid, unidentate, unidigitate, unidimensional, unidirectional, uniflorous, unifoliate, unifoliolate, unigenital, uniglobular, unilateral, unilinear, uniliteral, unilobed, unilobular, unimodular, unimolecular, uniocular, unipart, unipartite, unipolar, univalent, univocal