A conjugate acid is a species formed by the reception of a proton (H+) by a base—in other words, it is the base with a hydrogen ion added to it.
Bronsted-Lowry Acid: An acid that can donate a proton or hydrogen ion.
The type of ion that a water molecule becomes after accepting a proton.
Acid-Base Pair: Two substances related to each other by the donating and accepting of a single proton.