a. pertaining to carbon. carboniferous, a. containing coal. Carboniferous, a. & n. Geology, (of) a period between 270 and 350 million years ago. carbonize, v.i. & t. convert into carbon; char.
The yellow of the emblem is said to denote Angola's natural wealth. Red is said to stand for the blood spilt by the freedom fighters. Black represents Africa. Effective date: 11 November 1975.