IPA: /ɪnˈtɜːr.pə.leɪt/
KK: /ɪnˈtɜr.pə.leɪt/
To insert or add something, often in a way that fills in gaps or makes something more complete.
The scientist used data from previous years to interpolate the missing values in the graph.
Past: interpolated
Past Participle: interpolated
To estimate or calculate a value within two known values, or to insert material into a text or conversation.
The scientist used a method to interpolate the missing data points in the graph.
Past: interpolated
Past Participle: interpolated
Interpolate → It is formed from "inter-" (meaning between) and "polare" (meaning to make smooth or to polish). The word describes the act of inserting or estimating values between known data points, effectively smoothing out the gaps between them.
Think of inserting something 'between' ('inter-') to make it 'smooth' or 'polished' ('polare') — that's what interpolate means.