DUAL
    
Meaning of DUAL in English
	
adjective
 1.
Synonyms: twofold 1, bifold, binary, double, double-barreled, dualistic, duple, duplex
 2.
Synonyms: twin , double, paired
	
	Merriam Webster.
	Collegiate thesaurus English vocabulary.
    	Английский энциклопедический словарь тезаурус.
	2003