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A state of being away or withdrawn from a place or from companionship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).
A person who is deficient.
Insufficient or inadequate in amount.
Lacking something essential; often construed with in.
Of a number n, Having the sum of divisors σ(n)<2n, or, equivalently, the sum of proper divisors (or aliquot sum) s(n).