Residue may refer to:
Chemistry and biology
* An
amino acid
Amino acids are organic compounds that contain both amino and carboxylic acid functional groups. Although hundreds of amino acids exist in nature, by far the most important are the alpha-amino acids, which comprise proteins. Only 22 alpha a ...
, within a peptide chain
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Crop residue
Crop residues are materials left in an agricultural field after the crop has been harvested. These residues include stalks and stubble (stems), leaves and seed pods. Good management of field residues can increase efficiency of irrigation and c ...
, materials left after agricultural processes
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Pesticide residue Pesticide residue refers to the pesticides that may remain on or in food after they are applied to food crops. The maximum allowable levels of these residues in foods are often stipulated by regulatory bodies in many countries. Regulations such as ...
, refers to the pesticides that may remain on or in food after they are applied to food crops
* Petroleum residue, the heavier fractions of crude oil that fail to vaporize in an
oil refinery
An oil refinery or petroleum refinery is an industrial process plant where petroleum (crude oil) is transformed and refined into useful products such as gasoline (petrol), diesel fuel, asphalt base, fuel oils, heating oil, kerosene, lique ...
*
Residue (chemistry), materials remaining after a physical separation process, or by-products of a chemical reaction
Mathematics
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Residue (complex analysis)
In mathematics, more specifically complex analysis, the residue is a complex number proportional to the contour integral of a meromorphic function along a path enclosing one of its singularities. (More generally, residues can be calculated for ...
, complex number describing the behavior of line integrals of a meromorphic function around a singularity
* Some coefficient involved in
partial fraction decomposition
In algebra, the partial fraction decomposition or partial fraction expansion of a rational fraction (that is, a fraction such that the numerator and the denominator are both polynomials) is an operation that consists of expressing the fraction as ...
* A remainder in
modular arithmetic
In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" when reaching a certain value, called the modulus. The modern approach to modular arithmetic was developed by Carl Friedrich Gauss in his boo ...
Other
* A variant title of a British folk song also known as "
Levy-Dew" and "New Year Carol"
*
Residuum (geology) Residuum is a term for weathered rock that remains in the same place, contributing in time to the formation of soil. It is distinguished from other types of parent material in that it is composed solely of mineral, not organic, material, and it rema ...
, often used to refer to the soil and subsoil that forms as the result of long weathering over carbonate bedrock
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Residue (law)
A residuary estate, in the law of wills, is any portion of the testator's estate that is not specifically devised to someone in the will, or any property that is part of such a specific devise that fails. It is also known as a residual estate or ...
, portion of the testator's estate that is not specifically devised to someone in the will
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''Residue'' (TV series), an English science-fiction series from 2015
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Residual value
''Residual value'' is one of the constituents of a leasing calculus or operation. It describes the future value of a good in terms of absolute value in monetary terms and it is sometimes abbreviated into a percentage of the initial price when the i ...
, one of the constituents of a leasing calculus which describes the future value of a good in terms of absolute value
See also
*
Relic (disambiguation)
*
Residual (disambiguation)
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