These funds go by several names such as age-based allocation models, age-based funds or target-date funds, but they all are designed to assist the investor by investing in funds based on their age when they plan to retire. Age-Based Funds Vs. Lifestyle Funds. Age-based funds are normally set up as mutual funds.
radial symmetry. n. 1. (Biology) a type of structure of an organism or part of an organism in which a vertical cut through the axis in any of two or more planes produces two halves that are mirror images of each other. Compare bilateral symmetry.oun. 1. radial symmetry-the property of symmetry about an axis; the starfish illustrates radial symmetry. symmetricalness, symmetry, correspondence, balance - (mathematics) an attribute of a shape or relation; exact reflection of form on opposite sides of a dividing line or plane.
Another common type of symmetry is radial symmetry, in which an organism can be divided equally about a central point, much like a pie cut into equal parts.xamples. In the plant kingdom, it is common to see radial symmetry in flowers, though the rest of the plant may exhibit other symmetry, or no symmetry at all. Flower petals tend to extend from the central axis into a radial pattern, and fruits frequently have radial symmetry.