a. pertaining to, like, deriving from or striking at root; fundamental; extreme; Mathematics, pertaining to radix; n. root; fundamental principle; advocate of radical, especially socialistic, policy; basic constituent of chemical compound; group of atoms replaceable by single atom. radical sign, Mathematics, sign indicating extraction of root.
The star, which was added to the flag in 1793, initially had more than five points. The star may represent the Morning Star mentioned in the Koran. Effective date: 5 June 1936.