How to pronounce“regioselectivity”in English

Oxymercuration has Markovnikov regioselectivity and blocks carbocation rearrangements.

So let's learn how this regioselectivity works!

Terminal alkynes can have good regioselectivity, while internal alkynes often form mixtures of products.

Markovinkov’s rule is an example of regioselectivity.

And to answer Question Number 2 about regioselectivity, water adds to the more substituted carbon.

And hydroboration has anti-Markovnikov regioselectivity, syn-stereochemistry, and no carbocation rearrangements.

In general, this question is asking about regioselectivity.