PERIODIC
    
Meaning of PERIODIC in English
	
adjective
 Synonyms: intermittent , alternate, isochronal, isochronous, periodical, recurrent, recurring
 Related Word: on-again-off-again
	
	Merriam Webster.
	Collegiate thesaurus English vocabulary.
    	Английский энциклопедический словарь тезаурус.
	2003