What is the term for the state where the outward pressure from released fusion energy perfectly counteracts the inward crush of gravity?

Answer

Hydrostatic equilibrium

When the outward pressure generated by the energy released through fusion perfectly counteracts the inward force of gravity, the object achieves hydrostatic equilibrium, officially placing it on the Main Sequence.

What is the term for the state where the outward pressure from released fusion energy perfectly counteracts the inward crush of gravity?
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