1. plural of thousandth; parts that are each one of a thousand equal parts of something

Examples

• The measurement was accurate to the thousandths of an inch.
• She calculated the decimal to three thousandths.
• The timer records race results in thousandths of a second.
• The chemical concentration was measured in thousandths of a percent.
• Engineers must work with tolerances in the thousandths.
• The scale can detect differences in thousandths of a gram.