Lack; deficiency; nonexistence.
A state of being away or withdrawn from a place or from companionship
The period of someone being away.
Temporary loss or disruption of consciousness, with sudden onset and recovery, and common in epilepsy.
Lack of contact between blades.
Failure to be present where one is expected, wanted, or needed; nonattendance; deficiency.
Inattention to things present; abstraction (of mind).
Absence.
The manner in which data are missing from a sample of a population.
Missing data; omission.