The dome is called an ushnisha (sanksrit; sometimes spelled usnisa or usnisha). It is usually described as a fleshy mound covered in hair. This extension of the Buddha's head symbolizes his enlightenment and wisdom.
The domed head on a Buddha symbolizes wisdom, knowledge, and enlightenment. It represents the expanded and heightened consciousness of a fully awakened being. It is often associated with the cranial bump, known as ushnisha, which is considered a sacred and auspicious feature in Buddhist iconography.
Buddha.
buddha who started buddhism.
It is a pearl to symbolise wisdom.
flat, irregular, domed, dished
after a leader died they has a head which reminded them of the dead leader
Akanishta
According to the Tipitika, he had a knob on the top of his head, that is, that was the shape of his head when he was born. This was said to be one of the 32 signs of a great man, destined to be either a world king or a Buddha.
I don't know the anawer
It symbolises Buddha's wisdom.
A domed hall is a rotunda.
It is called the Domed Rotunda
For ellipsoid (i.e. elliptical tank domed top or bottom) V = pi D2 h / 6