Imagine that a new polyatomic anion called "platoate" is invented.

Well, since the name seems to be based off of Plato, the philosopher, though it would sound better as "platonate".

Explanation: Probably platonic acid, taking off the "ate" and adding "nic acid". That would emulate carbonate vs. carbonic acid, but avoid the awkwardness of saying "platoic acid" without a consonant in between two vowels.

2b2t

explanation:

2b2t

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.