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
an overdose of a drug, especially a fatal one. 2. a person who has taken an overdose of a drug, especially one who has become seriously ill or has died from such an overdose. verb (used without object), OD'd or ODed or OD'ed, OD'ing or ODing. 3. to take an overdose of a drug. 4. to die from an an overdose of a drug.