Top Definition
H3O
H3O

1.
Even wetter water

2.
The hydronium ion
Produced when water acquires a proton (aka a hydrogen ion)
1.
Girl: I'm so wet!
Guy: That's cause you're soaked in H3O

2.
2 H2O <-> OH(-) + H3O(+)
Teacher: And that, kids, concludes our chemistry lesson for today.
Remember, H3O is very acidic, do not try to drink it.
by rzhhhh July 19, 2010

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