Glossary of Terms

Here you will find a list of helpful terms. Terms included in the glossary are highlighted in the text and a pop-up definition should appear when you roll over the word. To find a particluar word, just click on the letter that it starts with.

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Rehabilitation, as defined by the National Park Service, acknowledges the need to alter or add to a historic property to meet continuing or changing uses while retaining the property’s historic character.


Restoration, as defined by the National Park Service, depicts a property at a particular period of time in its history, while removing evidence of other periods.

For example, if the exterior panels of a Lustron had been covered with vinyl siding and the owner opted to remove the siding and repair the panels beneath, that would be a restoration project.