Origin: Latin suffix -tion
Interpolation has 4 different meanings across 1 category:
a message (spoken or written) that is introduced or inserted
"with the help of his friend's interpolations his story was eventually told"
"with many insertions in the margins"
(mathematics) calculation of the value of a function between the values already known
"The engineer used interpolation to estimate the temperature at three-second intervals based on the sensor readings taken every ten seconds."
the action of interjecting or interposing an action or remark that interrupts
"She tried to keep her focus during the meeting, but his constant interpolation into my sentences made it impossible for me to finish my points."
An abrupt change in elements, with continuation of the first idea.
"After weeks of discussing their vacation plans, her sudden mention of a new job was an interpolation that left everyone confused before she could explain how it all fit together."