residue (redirected from chemical food residue)

residue

Law what is left of an estate after the discharge of debts and distribution of specific gifts

---

residue [′rez·ə‚dü]

(chemical engineering)

The substance left after distilling off all but the heaviest components from crude oil in petroleum refinery operations. Also known as bottoms; residuum.

Solids deposited onto the filter medium during filtration. Also known as cake; discharged solids.

(geology)

The in-place accumulation of rock debris which remains after weathering has removed all but the least soluble constituent.

(mathematics)

The residue of a complex function ƒ(z) at an isolated singularityz₀is given by (1/2πi) ∫ ƒ(z)dzalong a simple closed curve interior to an annulus aboutz₀; equivalently, the coefficient of the term (z-z₀)^-1in the Laurent series expansion of ƒ(z) aboutz₀.

In general, a coset of an ideal in a ring.

A residue ofmof ordern, wheremandnare integers, is a remainder that results from raising some integer to thenth power and dividing bym.