ドーナツ型がた

noun which may take the genitive case particle 'no'

donut-shaped; toroidal

Describes objects with a ring shape, like a donut. Often used in technical contexts (e.g., toroidal transformers) or everyday descriptions.

• このドーナツ型がたの磁じ石しゃくは実じっ験けんに使つかわれる。

  This donut-shaped magnet is used in experiments.

• ドーナツ型がたのクッションが腰こしにいいらしい。

  I hear that donut-shaped cushions are good for your lower back.