unifilar

Having or using only one filament, such as a thread or wire.

Having only one thread: specifically applied to a magnetometer consisting of a magnetic bar suspended by a single thread. See magnetometer.

A unifilar magnetometer.

Having only one thread; involving the use of only one thread, wire, fiber, or the like.

an instrument which consists of a magnetic bar suspended at its center of gravity by a long thread, constituting a delicate means for accurately measuring magnetic intensities, also for determining declinations of the magnetic needle.

Having or using only one thread.

having or using only one filament