PERPENDICULAR
    
Meaning of PERPENDICULAR in English
	
n. Function: adjective
 Synonyms: VERTICAL , plumb, straight-up
 Related Words: stand-up, straight
 Antonyms: horizontal
	
	Merriam Webster.
	Collegiate thesaurus English dictionary.
    	Английский энциклопедический толковый словарь тезауруса.
	2012