the state of being absent; "he was surprised by the absence of any explanation"不在であること不在
例:He was surprised by the absence of any explanation. 一切の説明がないので、彼は驚いた。
failure to be present出席しないこと留守
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突然で一時的な意識の消失か障害(その後は覚えていない)が発生することで、時に瞼が軽く痙攣したり震えたりする欠神発作