Residue

Residue may refer to:

Chemistry and biology

• An amino acid, within a peptide chain
• Crop residue, materials left after agricultural processes
• Pesticide residue, 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
• Residue (chemistry), materials remaining after a physical separation process, or by-products of a chemical reaction

Mathematics

• Residue (complex analysis), complex number describing the behavior of line integrals of a meromorphic function around a singularity
• Some coefficient involved in partial fraction decomposition
• A remainder in modular arithmetic

Media

• Residue (TV series), an English science-fiction series from 2015
• "Residue", a song by Benjamin Clementine from And I Have Been, 2022
• A variant title of a British folk song also known as "Levy-Dew" and "New Year Carol"

Other

• Residuum (geology), often used to refer to the soil and subsoil that forms as the result of long weathering over carbonate bedrock
• Residue (law), portion of the testator's estate that is not specifically devised to someone in the will
• Residual value, 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)