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.
Radial is a geometric term of location which can refer to: 1  Vector (geometric), a line. 2  Radius, adjective form of. 3  A radial pattern is one that appears to radiate from a point, like the spokes from the hub of a wheel.  A directional coordinate in a polar coordinate 1  system. A bearing from a waypoint, such as a  VOR.