Toroidal is a 8 letter English word. It's valid Scrabble word worth 9 points. It's valid Words with friends word worth 10 points.
You can make 265 anagrams from letters in toroidal (adiloort).
First recorded in 1885-90; toroid + -al1
The symbol of Fig. 104 is a good one for the toroidal type of impedance coil.