| the second power of a quantity, expressed as a2 = a ? a, where a is the quantity |
| the letter used as the symbol for the ratio of the circumference of a circle to its diameter, or the ratio itself: 3.141592+ |
| integer (ĭn'tĭ-jər) Pronunciation Key
A positive or negative whole number or zero. The numbers 4, -876, and 5,280 are all integers. |