i Register
In some senses, disclusion is marked as obsolete. Watch for register when choosing this word.
noun
A shutting off; exclusion.
impressed in the Brain, the composition of them, and disclusion and various disposal of them, is plainly an arbitrarious act,
A separation of the teeth when the jaw is slightly opened.
Especially, a separation of posterior teeth when the lower jaw moves forward, as a natural result of the alignment of the anterior teeth.