#permanence__permanency  the property of being able to exist for an indefinite duration
  exclusion:  #impermanence
  supertype:  #duration.temporal_property__length  continuance in time; "the ceremony was of short duration"; "he complained about the length of time required"
  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

No statement uses or specializes #permanence; click here to add one.