i dont know what a bion is but i know that a solid is a 3 dimenshional object that has an interior that is completely filled up, free of cavities, and is not hollow.
Bion has written: 'Bion of Borysthenes'
BION = Believe It Or Not
bion
Wilfred Bion was born in 1897.
Wilfred Bion died in 1979.
Bion Barnett was born on 1857-10-07.
Bion Barnett died on 1958-10-30.
Revest-du-Bion's population is 550.
Bion J. Arnold died in 1942.
Bion J. Arnold was born in 1861.
Bion Tsang was born on 1967-05-04.
Louis-Eugène Bion died in 1860.