1. inserting something between other things or parts
Usage: present participle of interpolate
2. estimating unknown values between known data points using mathematical methods
Usage: mathematics; statistics
3. adding words or passages to a text, especially to alter or corrupt the original meaning
Usage: literary; textual criticism

Examples

• The scientist is interpolating missing data points in the temperature readings.
• She was interpolating her own comments throughout the original speech.
• The software is interpolating between keyframes to create smooth animation.
• Scholars discovered that later editors had been interpolating passages into the ancient manuscript.
• The mathematician is interpolating values using a polynomial function.
• He kept interpolating jokes into his serious presentation.