1. a series of marks at regular intervals used for measuring
2. the size or level of something compared to what is normal
3. a system of musical notes arranged in order from low to high
Usage: music

1. to climb up or over something
2. to change the size of something proportionally

Examples

• The map was drawn to a scale of 1:50,000.
• The earthquake measured 6.2 on the Richter scale.
• She practiced piano scales for an hour.
• The fish had shiny silver scales.
• He weighed himself on the bathroom scale.
• The climbers scaled the mountain in three days.
• We need to scale up production to meet demand.