1. the period of time over which something happens or is planned to happen

Examples

• The project has a timescale of six months.
• We need to establish a realistic timescale for completion.
• The geological timescale spans millions of years.
• What’s the timescale for implementing these changes?
• The company operates on a different timescale than small businesses.
• Climate change occurs on a much longer timescale than weather patterns.