rotaxane

Noun

 * 1)  A complex of two molecules, one ring-shaped and the other dumbbell-shaped, with the dumbbell threaded through the ring and having end groups too large to pass through the ring.

Translations

 * Chinese:
 * Mandarin: 轮烷
 * French:
 * German: Rotaxan
 * Greek:
 * Spanish: rotaxano