The flow of a fluid (through a pipe etc.) in a direction opposite to that which is normal or intended.
To flow in the wrong or backward direction.
A procedure in which an extraocular muscle is detached from the globe of the eye and reattached posteriorly.
The act or an instance of receding or withdrawing.
A period of low temperatures that causes a reduction in species; ice age.
A period of reduced economic activity
The ceremonial filing out of clergy and/or choir at the end of a church service.
The act of ceding something back.