1. (physics) the theory that space and time are relative concepts rather than absolute concepts
   - relativity, theory of relativity, relativity theory

Type of: scientific theory

• thoroughwort
• thorp
• Thorpe
• Thorshavn
• Thorstein Bunde Veblen
• Thorstein Veblen
• thortveitite
• those
• Thoth
• thou
• though
• thought
• thought experiment
• thought process
• thought transference
• thought-image
• thought-provoking
• thought-reader
• thoughtful
• thoughtfully
• thoughtfulness
• thoughtless
• thoughtlessly
• thoughtlessness
• thousand