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occur

EN[əˈkɜː] [əˈkɝ] [-ɜː(ɹ)]
US

    Definition of occur in English Dictionary

  • VerbSGoccursPRoccurringPT, PPoccurred
    1. To happen or take place.
      1. The liftoff will occur in exactly twelve seconds. ‎
    2. To present or offer (itself).
      1. I will write if the opportunity occurs. ‎
    3. (impersonal) To come or be presented to the mind; to suggest (itself).
      1. (sciences) To be present or found.
        1. The chemical monofluoroacetate occurs in all parts of Dichapetalum cymosum, and is responsible for its toxic effects. ‎
    4. More Examples
      1. Used in the Middle of Sentence
        • The two distant shifts of downy mildews across three subfamilies of Asteraceae occurred rather recently, and in Asteroideae, a coevolutive adaptation has apparently not yet led to speciation.
        • It is predictable that some of these infections occur in individuals immunocompromised by malnutrition or underlying disease (notably cancer or AIDS) or by immunosuppressive therapy.
        • In this study, post-germination growth, which occurs entirely by cell elongation, was examined in diploid and autotetraploid hypocotyls of Arabidopsis thaliana (L.)
      2. Used in the Ending of Sentence
        • Moral diversity in the citizen population by itself assures that some discrimination of this kind will occur.
        • The police had a stakeout in place where they expected the crime to occur.
        • When objects are brought into thermal contact, the macroscopic properties may initially change but after some time no further changes will occur.
    • Part-of-Speech Hierarchy
      1. Verbs
        • Defective verbs
          • Impersonal verbs
          • Impersonal verbs
            • Verbs by inflection type
              • Irregular verbs
                • Defective verbs
                  • Impersonal verbs
          Related Links:
          1. en occurred
          2. en occurs
          3. en occurrence
          4. fr occurrence
          5. en occurring
          Source: Wiktionary
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          Meaning of occur for the defined word.

          Grammatically, this word "occur" is a verb, more specifically, a defective verb, an impersonal verb and a verbs by inflection type.
          Difficultness: Level 1
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          Easy     ➨     Difficult
          Definiteness: Level 8
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          Definite    ➨     Versatile