occurrence

1. is a type of: event - something that happens at a given place and time
   subtypes:

   • accompaniment, attendant, co-occurrence, concomitant - an event or situation that happens at the same time as or in connection with another
   • avalanche - a sudden appearance of an overwhelming number of things
   • experience - an event as apprehended
   • trouble - an event causing distress or pain
   • treat - an occurrence that causes special pleasure or delight
   • miracle - any amazing or wonderful occurrence
   • marvel, wonder - something that causes feelings of wonder
   • thing - an event
   • episode - a happening that is distinctive in a series of related events
   • contingence, contingency, eventuality - a possible event or occurrence or result
   • beginning - the event consisting of the start of something
   • conclusion, ending, finish - event whose occurrence ends something
   • one-off - a happening that occurs only once and is not repeated
   • periodic event, recurrent event - an event that recurs at intervals
   • alteration, change, modification - an event that occurs when something passes from one state or phase to another
   • computer error, error - (computer science) the occurrence of an incorrect result produced by a computer
   • accident, chance event, fortuity, stroke - anything that happens suddenly or by chance without an apparent cause
   • fire - the event of something burning (often destructive)
   • incident - a single distinct event
   • discharge - the sudden giving off of energy
   • case, example, instance - an occurrence of something
   • motion, movement - a natural event that involves a change in the position or location of something
   • failure - an event that does not accomplish its intended purpose
   • success - an event that accomplishes its intended purpose
   • appearance - the event of coming into sight
   • destiny, fate - an event (or a course of events) that will inevitably happen in the future
   • disappearance - the event of passing out of sight
   • disappearance - ceasing to exist
   • contact, impinging, striking - the physical coming together of two or more things
   • finish - designated event that concludes a contest (especially a race)
   • collapse - a natural event caused by something suddenly falling down or caving in
   • break, interruption - some abrupt occurrence that interrupts an ongoing activity
   • sound - the sudden occurrence of an audible event
   • union - the occurrence of a uniting of separate parts
   • news event - a newsworthy event
   • flash - a sudden intense burst of radiant energy
   • convergence - the occurrence of two or more things coming together
   • juncture, occasion - an event that occurs at a critical time
   • burst, flare-up, outburst - a sudden intense happening
   • eruption, irruption, outbreak - a sudden violent spontaneous occurrence (usually of some undesirable condition)
   • black eye, blow, reversal, reverse, setback - an unfortunate happening that hinders or impedes; something that is thwarting or frustrating
   • bonanza, boom, bunce, godsend, gold rush, gravy, manna from heaven, windfall - a sudden happening that brings good fortune (as a sudden opportunity to make money)
   • collapse, crash - a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
   • supervention - a following on in addition
   same as: happening, natural event, occurrent
2. is a type of: presence - the state of being present; current existence
   subtypes:

   • allopatry - the occurrence of related organisms in separate geographical areas with no overlap
   • sympatry - the occurrence of organisms in overlapping geographical areas, but without interbreeding

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