The only stable form of sulfur at normal conditions is S.

Now more than ever, students and families need reliable, stable forms of federal student aid to pay for college.

And by the time we leave, it's gone, changed into a stable form.

"It's not a stable form of housing for many families."

Adopting a stable form and alignment can be difficult for many to learn.

That is, there's a basic, stable form of existence among particles.

Various other parts were added and a stable form finally appeared in 1540.

For the first time in its history, the church would finally take a stable form.

This is the stable form of iron at room temperature.

This appears to be the most stable form in a wide pressure range.