Definitions

1. verb

to add a proton to a molecule or ion

“The acid was protonated in the presence of the catalyst.”

2. verb

to treat a substance as if it were protonated

“The chemist protonated the sample to understand its properties.”

3. noun

the act or process of adding a proton to a molecule or ion

“The protonation of the acid was a key step in the reaction.”