**Coefficient of determination** — In statistics, the coefficient of determination R2 is used in the context of statistical models whose main purpose is the prediction of future outcomes on the basis of other related information. It is the proportion of variability in a data set… … Wikipedia

**coefficient of absorption** — noun a measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber absorptance equals… … Useful english dictionary

**coefficient of compressibility** — Compressibility is the aptitude of the soil to be deformed. It is expressed by means of a coefficient which is the ratio between a void ratio decrease from e0 to e and an increase in effective stress. The value av = e0–e)p represents the… … Lexicon of Cave and Karst Terminology

**coefficient of compressibility** — the decrease in volume per unit volume (as of a gas) produced by a unit change in pressure … Useful english dictionary

**coefficient** — 1. The expression of the amount or degree of any quality possessed by a substance, or of the degree of physical or chemical change normally occurring in that substance under stated conditions. 2. The ratio or factor that relates a quantity… … Medical dictionary

**instantaneous rate of mortality** — The natural logarithm (with sign changed) of the survival rate. The ratio of number of deaths per unit of time to population abundance during that time, if all deceased fish were to be immediately replaced so that population does not change. Also … Fisheries — dictionary

**instantaneous rate of mortality** — The natural logarithm (with sign changed) of the survival rate. The ratio of number of deaths per unit of time to population abundance during that time, if all deceased fish were to be immediately replaced so that population does not change. Also … Fisheries — dictionary

**instantaneous rate of mortality** — the natural logarithm (with sign changed) of the survival rate. The ratio of number of deaths per unit of time to population abundance during that time, if all deceased fish were to be immediately replaced so that population does not change… … Dictionary of ichthyology

**instantaneous rate of total mortality** — the ratio of number of deaths per unit of time to population abundance during that time, if all deceased fish were to be immediately replaced so that population does not change. Also called coefficient of decrease … Dictionary of ichthyology

**Void coefficient** — In nuclear engineering, the void coefficient (more properly called void coefficient of reactivity ) is a number that can be used to estimate how much the reactivity of a nuclear reactor changes as voids (steam bubbles) form in the reactor… … Wikipedia