zero radius
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Radius of curvature (optics) — Radius of curvature has specific meaning and sign convention in optical design. A spherical lens or mirror surface has a center of curvature located in (x, y, z) either along or decentered from the system local optical axis. The vertex… … Wikipedia
Radius of convergence — In mathematics, the radius of convergence of a power series is a quantity, either a non negative real number or ∞, that represents a domain (within the radius) in which the series will converge. Within the radius of convergence, a power series… … Wikipedia
zero-offset steering — A steering system whose geometry has a scrub radius of zero. This configuration minimizes the steering effects produced during acceleration (with front drive) or braking on varying traction surfaces … Dictionary of automotive terms
radius of damage — The distance from ground zero at which there is a 0.50 probability of achieving the desired damage … Military dictionary
radius of integration — The distance from ground zero that indicates the area within which the effects of both the nuclear detonation and conventional weapons are to be integrated … Military dictionary
radius of safety — The horizontal distance from ground zero beyond which the weapon effects on friendly troops are acceptable … Military dictionary
Turning radius — The turning radius or turning circle of a vehicle is the radius of the smallest circular turn (ie. U turn) that the vehicle is capable of making.It is often used as a generalized term rather than a numerical figure. For example, a vehicle with a… … Wikipedia
Scrub radius — Scrubradius 0 (top) positive (center) negative(bottom) The scrub radius is the distance in front view between the king pin axis and the center of the contact patch of the wheel, where both would theoretically touch the road. The kingpin axis is… … Wikipedia
Absolute zero — For other uses, see Absolute Zero (disambiguation). Absolute zero is the theoretical temperature at which entropy reaches its minimum value. The laws of thermodynamics state that absolute zero cannot be reached using only thermodynamic means. A… … Wikipedia
Stability radius — The stability radius of a continuous function f (in a functional space F ) with respect to an open stability domain D is the distance between f and the set of unstable functions (with respect to D ). We say that a function is stable with respect… … Wikipedia
Critical radius — is the minimum size that must be formed by atoms or molecules clustering together (in a gas, liquid or solid matrix) before a new phase inclusion (a bubble, a droplet, or a solid particle) is stable and begins to grow. Formation of such stable… … Wikipedia