residual

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Of, relating to, or characteristic of a residue.
• adjective Remaining as a residue.
• noun The quantity left over at the end of a process; a remainder.
• noun A payment made to a performer, writer, or director for each repeat showing of a recorded television show or commercial.

from The Century Dictionary.

• noun In mathematics, the difference between a variate and the mean of the set or series.
• Pertaining to or having the character of a residuum; remaining.
• A chronic abscess in which the contents have been mostly absorbed.
• In such cases there is said to be electric absorption. It is doubtless due to the fact that the solid dielectric does not immediately recover from the strain resulting from the electric stress. Also called dielectric after-working.
• noun A remainder; especially, the remainder of an observed quantity, after subtracting so much as can be accounted for in a given way.
• noun The integral of a function round a closed contour in the plane of imaginary quantity inclosing a value for which the function becomes infinite, this integral being divided by 2PI.
• noun A system of points which, together with another system of points of which it is said to be the residual, makes up all the intersections of a given curve with a plane cubic curve.

from the GNU version of the Collaborative International Dictionary of English.

• noun The difference of the results obtained by observation, and by computation from a formula.
• noun The difference between the mean of several observations and any one of them.
• adjective Pertaining to a residue; remaining after a part is taken.
• adjective (Physiol.) that portion of air contained in the lungs which can not be expelled even by the most violent expiratory effort. It amounts to from 75 to 100 cubic inches. Cf. Supplemental air, under Supplemental.
• adjective (Mensuration) See Error, 6 (b).
• adjective (Geom.) the figure which remains after a less figure has been taken from a greater one.
• adjective (Physics) remanent magnetism. See under Remanent.
• adjective a by product, as cotton waste from a cotton mill, coke and coal tar from gas works, etc.
• adjective (Alg.) a binomial quantity the two parts of which are connected by the negative sign, as a-b.
• adjective (Alg.) the root of a residual quantity, as √(a-b).

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Of, relating to, or remaining as a residue; left over.
• noun A remainder left over at the end of some process.
• noun in the plural Payments made to performers, writers and directors when a recorded broadcast is repeated.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun (often plural) a payment that is made to a performer or writer or director of a television show or commercial that is paid for every repeat showing
• noun something left after other parts have been taken away
• adjective relating to or indicating a remainder