|pälē, -lə̇+ adjective
Etymology: International Scientific Vocabulary poly- + cyclic
: having many cycles or rounds: as
a. : containing two or more usually fused rings in the structure of the molecule (as in anthracene) — compare polynuclear
polycyclic hydrocarbons
b. : of, relating to, or constituting a system of electric distribution in which currents of different voltages and frequencies are superposed on the same network
c.
(1) : having many whorls or volutions
(2) : having many cycles of tentacles
d. : polyphasic