growth medium that allows two or more organisms to be distinguished from one another by some parameter, such as growth vs. no-growth, distinguishing colors, distinguishing morphologies, etc.

A bifurcation of the meaning along with time into two separate meanings of two separate resulting expressions. / A diachronic differentiation or change in meaning.

An arrangement of bevel gears permitting the rotation of two shafts at two different speeds whilst supplying the same torque; used on the drive axles or between the driven wheels of automobiles to aid cornering.

(medicine) The process of determining which disease, from a set of possible candidates, is causing a patient's symptoms.

(calculus) an equation involving the derivatives of a function

plural of semantic differentiation

plural of differential equation

(geometry, mathematical analysis) The study of geometry, especially geometric structures on differentiable manifolds, using techniques from calculus, linear algebra and multilinear algebra.

(mathematics) Field dealing with differentiable functions on differentiable manifolds.

plural of product differentiation