#duration.temporal_property__length  continuance in time; "the ceremony was of short duration"; "he complained about the length of time required"
  supertype:  #temporal_property  a property relating to time
  subtype:  #longness  duration as an extension
     subtype:  #length_of_service__longevity  duration of service: "her longevity as a star"; "had unusual longevity in the company"
  subtype:  #protraction__lengthiness__lengthines  the consequence of being lengthened in duration
  subtype:  #endlessness__endlessnes  the property of being (or seeming to be) without end
     subtype:  #continuousness__ceaselessness__ceaselessnes__incessantness__incessantnes  the quality of something that continues without end or interruption
  subtype:  #shortness.duration__shortnes  the property of being of short temporal extent
     subtype:  #curtailment  the temporal property of being cut short
     subtype:  #briefness__briefnes  the temporal property of being very short
  subtype:  #transience__brevity__briefness__briefnes  the attribute of being brief or fleeting
  subtype:  #permanence__permanency  the property of being able to exist for an indefinite duration
     subtype:  #perpetuity  the property of being perpetual (seemingly ceaseless)
     subtype:  #lastingness__lastingnes__enduringness__strength  permanence by virtue of the power to resist stress or force; "they advertised the durability of their products"
        subtype:  #tensile_strength__tensilestrength  the strength of material expressed as the greatest longitudinal stress it can bear without tearing apart
        subtype:  #indestructibility  the strength to resist destruction
        subtype:  #persistence  the property of a continuous and connected period of time
        subtype:  #changelessness  the property of remaining unchanged
        subtype:  #everlastingness__everlastingnes  the property of lasting forever
     subtype:  #imperishability__imperishingness__imperishingnes  the property of being resistant to decay; "he advertised the imperishability of the product"
     subtype:  #perdurability  the property of being extremely durable
     subtype:  #immortality  the quality or state of being immortal
  subtype:  #impermanence__impermanency  the property of not existing for indefinitely long durations
     subtype:  #temporariness__temporarines  the property of lasting only a short time
     subtype:  #transiency__transience__transitoriness  an impermanence that suggests the inevitability of ending or dying
        subtype:  #fugaciousness__fugaciousnes  the lack of enduring qualities (used chiefly of plant parts)
        subtype:  #ephemerality__ephemeralness__ephemeralnes__fleetingnes  the property of lasting for a very short time
     subtype:  #mortality  the quality or state of being mortal

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