The cubic root of a number is a value that, when multiplied by itself three times, gives the original number. For example, the cubic root of 27 is 3 because 3 \times 3 \times 3 = 27. It is often represented using the radical symbol: \sqrt[3]x, where x is the number for which you want to find the cubic root. Cubic roots can be both positive and negative. For instance, the cubic root of -8 is -2 since -2 \times -2 \times -2 = -8. Cubic roots are useful in various fields, including mathematics, engineering, and science, for solving equations and understanding geometric shapes.