[taw-roid-l, toh-, tawr-oi-dl, tohr-]
of or relating to a toroid.
Origin of toroidal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for toroidal
Historical Examples of toroidal
The symbol of Fig. 104 is a good one for the toroidal type of impedance coil.Cyclopedia of Telephony & Telegraphy Vol. 1