Architectural History

noun a type of ancient Roman central heating system using hot air to heat the floors and walls of a building

• The hypocaust system was used in ancient Roman buildings to provide heating.
• They had a hypocaust in their villa to keep it warm during the winter.
• I wish my house had a hypocaust, it's freezing in here!
• The hypocaust of support from his friends kept him warm during tough times.

adjective describing a significant event or period in history; important or influential in history

• The historic building has been preserved for future generations to appreciate.
• I can't believe we get to stay in this historic hotel for the weekend!
• That historic concert last night was lit!
• Her decision to quit her job was a historic moment in her life.