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