The area of the annulus is the area of the ring-shaped space between the two circles that define it. In the figure above it is the number of gray square units it takes to fill the annulus. This area is the area of the entire disk, minus the area of the 'hole' in the middle. ( See Area of a Circle): Where:
Webster Dictionary (0.00 / 0 votes) Rate this definition: Avenge (verb) to take vengeance for; to exact satisfaction for by punishing the injuring party; to vindicate by inflicting pain or evil on a wrongdoer
Learner's definition of REVENGE. [noncount]. 1. : the act of doing something to hurt someone because that person did something that hurt you. an act of revenge.