absence

Noun
  1. The state of being absent (synset 113984260)
    "he was surprised by the absence of any explanation"
    is a type of: deficiency, lack, want - the state of needing something that is absent or unavailable
    subtypes:
    • nonoccurrence - absence by virtue of not occurring
    • awayness - the state of being elsewhere than in particular place
  2. Failure to be present (synset 101236910)
    is a type of: nonattendance - the failure to attend
    subtypes:
    • cut - an unexcused absence from class
    • default - loss due to not showing up
    • absenteeism - habitual absence from work
  3. The time interval during which something or somebody is away (synset 115295848)
    "he visited during my absence"
    is a type of: interval, time interval - a definite length of time marked off by two instants
  4. The occurrence of an abrupt, transient loss or impairment of consciousness (which is not subsequently remembered), sometimes with light twitching, fluttering eyelids, etc.;
    Common in petit mal epilepsy (synset 114111894)
    is a type of: ictus, raptus, seizure - a sudden occurrence (or recurrence) of a disease
    subtypes:
    • complex absence - an absence seizure accompanied by other abnormalities (atonia or automatisms or vasomotor changes)
    • pure absence, simple absence - an absence seizure without other complications; followed by 3-per-sec brainwave spikes
    • subclinical absence - a transient impairment of cortical function demonstrable only by 3-per-second brainwave spikes
    is a part of: epilepsia minor, petit mal, petit mal epilepsy - epilepsy characterized by paroxysmal attacks of brief clouding of consciousness (and possibly other abnormalities)
    same as: absence seizure

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