WordReference Random House Unabridged Dictionary of American English © 2026
to•roi•dal
(tô roid′l, tō-, tôr′oi dl, tōr′-),USA pronunciation adj. [Geom.]
to•roi ′dal•ly, adv.
- of or pertaining to a torus.
- toroid + -al1 1885–90
'toroidal' also found in these entries (note: many are not synonyms or translations):