friction detrition rubbing | effort expended in moving one object over another with pressure |
cone clutch cone friction clutch | a friction clutch in which the frictional surfaces are cone-shaped |
friction clutch | a clutch in which one part turns the other by the friction between them |
friction tape insulating tape | a wateresistant adhesive tape used to insulate exposed electrical conductors |
match lucifer friction match | lighter consisting of a thin piece of wood or cardboard tipped with combustible chemical, ignites with friction, he always carries matches to light his pipe, as long you've a lucifer to light your fag |
slip clutch slip friction clutch | a friction clutch that will slip when the torque is too great |
derived function derivative differential coefficient differential first derivative | the result of mathematical differentiation, the instantaneous change of one quantity relative to another, df(x) dx |
regression coefficient | when the regression line is linear (y axb) the regression coefficient is the constant (a) that represents the rate of change of one variable (y) as a function of changes in the other (x), it is the slope of the regression line |
correlation coefficient coefficient of correlation correlation | a statistic representing how closely two variables co-vary, it can vary from - (perfect negative correlation) through (no correlation) to(perfect positive correlation), what is the correlation between those two variables? |
product-moment correlation coefficient Pearson product-moment correlation coefficient | the most commonly used method of computing a correlation coefficient between variables that are linearly related |
multiple correlation coefficient | an estimate of the combined influence of two or more variables on the observed (dependent) variable |
biserial correlation coefficient biserial correlation | a correlation coefficient in which one variable is many-valued and the other is dichotomous |
rank-order correlation coefficient rank-order correlation rank-difference correlation coefficient rank-difference correlation | the most commonly used method of computing a correlation coefficient between the ranks of scores on two variables |
coefficient of concordance | a coefficient of agreement (concordance) between different sets of rank orderings of the same set of things |
tau coefficient of correlation Kendall's tau Kendall rank correlation | a nonparametric measure of the agreement between two rankings |
phi coefficient phi correlation fourfold point correlation | an index of the relation between any two sets of scores that can both be represented on ordered binary dimensions (e.g., male-female) |
tetrachoric correlation coefficient tetrachoric correlation | a correlation coefficient computed for two normally distributed variables that are both expressed as a dichotomy |
friction rubbing | the resistance encountered when one body is moved in contact with another |
grip traction adhesive friction | the friction between a body and the surface on which it moves (as between an automobile tire and the road) |
coefficient | a constant number that serves as a measure of some property or characteristic |
absorption coefficient coefficient of absorption absorptance | 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 minus transmittance |
drag coefficient coefficient of drag | the ratio of the drag on a body moving through air to the product of the velocity and the surface area of the body |
coefficient of friction | the ratio of the weight of an object being moved along a surface and the force that maintains contact between the object and the surface |
coefficient of mutual induction mutual inductance | a measure of the induction between two circuits, the ratio of the electromotive force in a circuit to the corresponding change of current in a neighboring circuit, usually measured in henries |
coefficient of self induction self-inductance | the ratio of the electromotive force produced in a circuit by self-induction to the rate of change of current producing it, expressed in henries |
coefficient of elasticity modulus of elasticity elastic modulus | (physics) the ratio of the applied stress to the change in shape of an elastic body |
coefficient of expansion expansivity | the fractional change in length or area or volume per unit change in temperature at a given constant pressure |
coefficient of reflection reflection factor reflectance reflectivity | the fraction of radiant energy that is reflected from a surface |
coefficient of viscosity absolute viscosity dynamic viscosity | a measure of the resistance to flow of a fluid under an applied force |
clash friction | a state of conflict between persons |