How to pronounce “relativity of simultaneity” in English

It brings in uncertainty, suggesting just like relativity brings in a fuzziness in what we call now, because of the relativity of simultaneity.

even though it's the same speed for all observers and also the relativity of simultaneity, is that he combined space with time to one common entity,

This is something that generations of physics students have to learn, something called the relativity of simultaneity, which very clearly shows that what one observer regards as now,

So this impossibility to define one notion of now that we all agree on is called the relativity of simultaneity.

So this impossibility to define one notion of now that we all agree on is called the 'relativity of simultaneity.'