#heat_of_vaporization__heat_of_vaporisation  heat absorbed by a unit mass of a material at its boiling point in order to convert the material into a gas at the same temperature
  supertype:  latent_heat__heat_of_transformation  heat absorbed or radiated during a change of phase at a constant temperature and pressure
     supertype:  heat_energy__heat  a form of energy that is transferred by a difference in temperature
        supertype:  energy  (physics) the capacity of a physical system to do work; the units of energy are joules or ergs; "energy can take a wide variety of forms"
           supertype:  physical_phenomenon  a natural phenomenon involving the physics of matter and energy
              supertype:  natural_phenomenon__naturalphenomenon  all non-artificial phenomena
                 supertype:  phenomenon  any state or process known through the senses rather than by intuition or reasoning
                    supertype:  process__proces__physicalsituation  intuitively, the class of things that happen and have temporal parts or stages; examples include extended events like a football match or a race, actions like pursuing and reading, and biological processes; sumo#process is not identical to pm#situation because an instance of pm#situation is not necessarily an instance of sumo#physical
                       supertype:  situation  something that "occurs" in a real/imaginary region of time and space
                          supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                       supertype:  process_or_process_description
                          supertype:  processing_thing
                             supertype:  thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                                supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                       supertype:  physical__physical_thing  an entity that has a location in space-time; locations are themselves understood to have a location in space-time; click here for more details on the identical category sowa#physical_thing
                          supertype:  thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

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