What exactly does "purified by the process of reverse osmosis"mean?

Question

I really dig the taste of my friend's water. He said it is purified by the process of reverse osmosis. Not wanting to look like a big dummy, I just nodded and said that that was a great way to do it. Please educate me as to how this works.

Answer 1

this is a filtering system that removes 99% of the contaminents
of chlorinated water

which cholrine is not good to drink as it 'purifies' your digestive system
by killing all the good flora stuff in the stomach and intestines - like
an antibiotic

that's why we need to take a PRO-biotic to put the good stuff in there
to help our digestion and elimination

Answer 2

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RE:
What exactly does "purified by the process of reverse osmosis"mean?
I really dig the taste of my friend's water. He said it is purified by the process of reverse osmosis. Not wanting to look like a big dummy, I just nodded and said that that was a great way to do it. Please educate me as to how this works.

Answer 3

Osmosis is the passing of a substance from a greater concentration to a lesser concentration by a simi-permeable membrane. I learned that definition in the 7th grade. That is all I remember.