We don't have synonyms for circulators yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are circulatory, circulator and circulars.
(n) :
A person or thing that causes something to circulate
(n) :
(transport) A local transit system that provides regular service within a closed loop
(n) :
(electronics) A passive electronic component with three or more ports, in which the ports can be accessed in such a way that when a signal is fed into any port it is transferred to the next port only
(n) :
A person or thing that causes something to circulate
(n) :
(transport) A local transit system that provides regular service within a closed loop
(n) :
(electronics) A passive electronic component with three or more ports, in which the ports can be accessed in such a way that when a signal is fed into any port it is transferred to the next port only