internalfunction
nounUK /ɪnˈtɜːnl ˈfʌŋkʃən/
US /ɪnˈtɜːrnl ˈfʌŋkʃən/
A job that happens inside something and helps it work.
The robot's internal function keeps its gears turning smoothly.
OTHER MEANINGS
2. A task performed within a computer program that other parts of the program can use.
The calculator's internal function adds numbers without showing the steps.
3. The normal activity of an organ or body part inside a living thing.
The heart's internal function is to pump blood around the body.
4. A duty carried out inside an organization rather than by outsiders.
Checking the office mail is an internal function of the front desk team.