"absense" is probably misspelled. Trying absence instead Definition of absence
absence has definitions from the field of medicine
1
[ noun ] the state of being absent

Examples

"he was surprised by the absence of any explanation"

2
[ noun ] failure to be present
3
[ noun ] the time interval during which something or somebody is away

Examples

"he visited during my absence"

4
[ noun ] (medicine) epilepsy characterized by paroxysmal attacks of brief clouding of consciousness (a possible other abnormalities)
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