Anything having sixteen poles or electrodes, or a combination of four quadrupoles(noun)
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Use "hexadecapole" in a sentence
""While we do not know yet know how a hexadecapole order could be used in practical ways, it should be explored further to see how it could possibly be used for device applications,""
""The second ordered state has very similar properties to the antiferromagnetic state, with one important difference: the magnetic moments vanish abruptly, and the slow electrons reorganize themselves away from the quasiparticles to display a so-called" hexadecapole moment, "Haule said."