top-up

1. (countable, uncountable)An addition.

2. (countable, uncountable)A serving of drink used to top up an existing glass.

3. (countable, uncountable)An additional premium paid over the initial premium in order to increase benefit values.

4. (countable, uncountable)Additional credit purchased for a mobile phone.

   I added a $20 top-up on my cellphone's data plan.

5. (countable, uncountable)A dose of epidural anesthetic added to previously injected spinal anesthetic in combined spinal-epidural anesthesia

6. (countable, uncountable)The situation where a student who holds a qualification equivalent to part of a degree course is then accepted onto a degree course at an intermediate point, without having to start it from the beginning.

regular