upwardfunction
nounUK /ˈʌpwəd ˈfʌŋkʃən/
US /ˈʌpwərd ˈfʌŋkʃən/
An upward function is a job or purpose that helps something go up.
The elevator's upward function carries people to the top floor.
OTHER MEANINGS
2. A math rule where the answer gets bigger as the input gets bigger.
The upward function made the graph climb steadily.
3. A feature in a machine that moves parts to a higher place.
The crane's upward function lifted the heavy beam.
4. A way of improving or increasing something over time.
Learning new skills is an upward function for your career.