What does "replacing" mean?

the act of furnishing an equivalent person or thing in the place of another

What is a synonym for "replacing"?

Common synonyms include: replacement, alternate, alternative, displacing, exchange, for.

verb

verb ·3 syllables ·Uncommon ·Advanced level

Noun

1
the act of furnishing an equivalent person or thing in the place of another wordnet

Verb

"Petroleum was replacing coal as fuel."