Meaning of the word supplementing in English

What does supplementing mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

supplementing

US /ˈsʌplɪmɛntɪŋ/
UK /ˈsʌplɪmɛntɪŋ/

Verb

adding something to complete or enhance something else

Example:
She is supplementing her income with a part-time job.
The new data is supplementing the existing research.