Antonym(s):

• asymmetry

Related Term(s):

• parallelism
• proportion
• proportionality
• system balance

Source(s):

Ducrot & Todorov 1979[trans.]186
COOK 1969177 (phonemic symmetry, Principle of Symmetry), 184 (lexical symmetry), 190-191 (tagmemic symmetry)
NASH 1968236
HOCK 1986151-152, 162 (pattern symmetry)
BENVENISTE 1971[trans.]8
RADFORD 1988174 (structural symmetry)

• DUCROT, Oswald and TODOROV, Tzvetan. (1979 [trans.]) Encyclopedic Dictionary of the  Sciences of Language. Trans. by Catherine Porter. Baltimore: Johns Hopkins University Press. 
• COOK, Walter C. (1969) Introduction to Tagmemic Analysis. Washington: Georgetown University Press.
• NASH, Rose. (1968) Multilingual Lexicon of Linguistics and Philology: English, Russian, German, French. Coral Gables, FL: University of Miami Press. 
• HOCK, Hans Henrich. (1986) Principles of Historical Linguistics. Berlin: Mouton de Gruyter.
• BENVENISTE, Émile. (1971 [trans.]) Problems in General Linguistics. Trans. by Mary Elizabeth Meek. Coral Gables, FL: University of Miami Press.
• RADFORD, Andrew. (1988) Transformational Grammar: A First Course. Cambridge: Cambridge University Press.