A psychological condition in which an individual experiences excessive anxiety regarding separation from home or from people to whom the individual has a strong emotional attachment.

plural of separation anxiety disorder

(idiomatic) (of two or more people) to cease travelling or spending time together; to depart with different destinations.

(idiomatic, intransitive) To select only that which is of value.

To divide the members of a group into those that are superior and those that are inferior.

plural of separatory

Used to separate.

(obsolete, chemistry) An apparatus used in separating, such as a separating funnel. / (obsolete, surgery) A surgical instrument for separating the pericranium from the cranium.