• WordNet 3.6
    • n occurrence an event that happens
    • n occurrence an instance of something occurring "a disease of frequent occurrence","the occurrence (or presence) of life on other planets"
    • ***
Webster's Revised Unabridged Dictionary
  • Interesting fact: An average adult produces about half a litre of flatulent gas per day, resulting in an average of about fourteen occurrences of flatulence a day
    • Occurrence A coming or happening; as, the occurence of a railway collision. "Voyages detain the mind by the perpetual occurrence and expectation of something new."
    • Occurrence Any event or incident; esp., one which happens without being designed or expected; as, an unusual occurrence, or the ordinary occurrences of life. "All the occurrence of my fortune."
    • ***
Century Dictionary and Cyclopedia
  • Interesting fact: The early occurrence of a fetus yawning is at eleven weeks after conception
    • n occurrence The act of occurring; occasional presentation.
    • n occurrence An incident or accidental event; that which happens without being designed or expected; an event; a happening: as, an unusual occurrence; such occurrences are not uncommon.
    • n occurrence Happenings collectively; course of events.
    • n occurrence Eccles., the coincidence of two or more festivals on the same day. See occur, v. i., 5, and concurrence, n., 4. Synonyms 2. Incident, Circumstance, etc. (see event); Occasion, Emergency, etc. (see exigency).
    • ***
Chambers's Twentieth Century Dictionary
  • Interesting fact: The saying 'once in a blue moon ' refers to the occurrence of two full moons during one calendar month. The last two occurred in January & March 1999. The next one isn't until the end of 2001.
    • ns Occurrence anything that occurs: an event, esp. one unlooked for or unplanned: occasional presentation
    • ***


  • H. L. Mencken
    “Faith may be defined briefly as an illogical belief in the occurrence of the improbable.”
  • Alexander Chase
    Alexander Chase
    “A shocking occurrence ceases to be shocking when it occurs daily.”
  • Ambrose Bierce
    “An accident is an inevitable occurrence due to the actions of immutable natural laws.”
  • Albert Einstein
    “Occurrences in this domain are beyond the reach of exact prediction because of the variety of factors in operation, not because of any lack of order in nature.”


Webster's Revised Unabridged Dictionary
Cf. F. occurrence,. See Occur
Chambers's Twentieth Century Dictionary
Fr.,—L. occurrĕreob, towards, currĕre, to run.


In literature:

The ladies looked sorely affrighted; they had from the first, for it was all but the occurrence of an instant.
"The Free Lances" by Mayne Reid
As previously mentioned, I do not maintain that an undifferentiated stage is of universal occurrence.
"The Sexual Life of the Child" by Albert Moll
The flexion and adduction of the limb favour the occurrence of dislocation.
"Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition." by Alexander Miles
This incident was furnished by an occurrence which took place in the family of Walter the Tiler.
"Richard II" by Jacob Abbott
And the same day another equally perilous occurrence took place.
"The Roman History of Ammianus Marcellinus" by Ammianus Marcellinus
Analogous cases are of such frequent occurrence with plants that they do not strike us with sufficient surprise.
"The Variation of Animals and Plants Under Domestication, Volume II (of 2)" by Charles Darwin
Reconnaissances and raids were of almost daily occurrence.
"The Story of the Great War, Volume III (of VIII)" by Various
The year after this occurrence the law was altered and some of the severest restrictions on the Catholics removed.
"Lippincott's Magazine, Vol. 20, August 1877" by Various
I quite realise that the occurrence of to-day must have been a very trying one for you, as trying as it was unexpected.
"East of the Shadows" by Mrs. Hubert Barclay
The Bible, too, says nothing about such an occurrence.
"Bible Romances" by George W. Foote

In poetry:

I don't think it hurts your endurance,
Except when a feller just soaks,
For baths is a common occurrence
Among the society folks.
"The Midwinter Bath" by Bruce Kiskaddon

In news:

The far ranging occurrence of the symptoms and time of year it happened, made it hard to believe that herbicides were the cause.
This weekend, around the country, you will see a strange occurrence.
They say these types of incidents are regular occurrences.
A daily occurrence that always makes me hungry.
Shreveport, La — In the past few months, robberies seems to be a daily occurrence in Shreveport, but actually through October 31 of this year, robberies are only up by 58 from the same period last year.
Expect nothing, and maybe you'll get that little outta-nowhere sumpin-sumpin that turns an otherwise unfulfilling occurrence into a vaguely rewarding experience.
The transition of a major ministry from husband to wife is a rare occurrence in the history of US Pentecostalism.
This is a very unusual occurrence because it only happens in years '01- '12 in each century.
Within the span of nine hours on April 26, there were two significant occurrences involving Oklahoma State quarterbacks.
According to school district spokesman Jeff Warner, the girl ran into Northland High School and reported the occurrence around 4 pm Tuesday.
"The network has recovered less than 10 manatees since 1980, but sightings and occurrences have become more frequent over the last five years or so," Whitehead said.
Some are rare, but some are everyday occurrences.
This program must support the timely IT operations recovery following the occurrence of an IT outage or disaster.
This isn't a new occurrence for me.
Everett YMCA staff and patrons often blame a ghost they call "George" for strange occurrences that have no clear explanations.

In science:

Such occurrences can be labeled as the arrow of time.
Relativistic Quantum Non-Locality
Assume that there exists an occurrence of τ in π that includes ir .
Avoiding maximal parabolic subgroups of S_k
M [x := V ] is the term resulting from substituting free occurrences of variable x with V . A call-by-value computation consists of successively applying the βv reduction rule to a subterm.
From Syntactic Theories to Interpreters: A Specification Language and Its Compilation
In summary, at zero temperature there is not a safe criterion to discuss the possibility of the occurrence of the RS phase in the RAQ chains.
Breakdown of the perturbative renormalization group for S >= 1 random antiferromagnetic spin chains
The probability of occurrence of a microstate C in a closed system depends on the energy of the microstate and the temperature of the system.
An Introduction to Monte Carlo Simulation of Statistical physics Problem