(physics) The ratio between (1) the magnitude of the force of friction which a surface produces on an object (moving along the surface or being pressed statically against it) and (2) the magnitude of the normal force which is produced by the surface on the object and which is perpendicular to that surface.

(physics) A measure of the absorption of electromagnetic radiation as it passes through a specific substance; the fraction of incident radiation absorbed by unit mass or unit thickness; absorptivity.

The number of urotoxic units per kilogram of body weight excreted in twenty-four hours.

(linear algebra) A matrix consisting of the coefficients of the variables in a set of linear equations. The matrix is used in solving systems of linear equations.

Synonym of Sørensen-Dice coefficient

(chemistry) A coefficient that describes the degree to which factors like temperature and pH affect the rate of a chemical reaction

(chemistry) the number of milliliters of gas dissolved in a milliliter of liquid at atmospheric pressure and a specified temperature

(statistics) A numerical measure of the lack of relationship between variables.

Synonym of coefficient of alienation

(statistics) The proportion of the variation in the dependent variable that is predictable from the independent variable(s), providing a measure of how well the observed outcomes are replicated by a model.