Erf or ERF may refer to:

Industry

Enerplus Enerplus Corporation is one of Canada’s largest independent oil and gas producers. The company holds oil and natural gas property interest in the United States and in western Canada, in the provinces of Alberta, British Columbia and Saskatchew ...

, a North American energy producer whose stock is listed as ERF under the TSX and NYSE * ERF (truck manufacturer), a former British truck manufacturer

Mathematics

Error function In mathematics, the error function (also called the Gauss error function), often denoted by , is a complex function of a complex variable defined as: :\operatorname z = \frac\int_0^z e^\,\mathrm dt. This integral is a special (non-elementary ...

, erf *

Exponential response formula In mathematics, the exponential response formula (ERF), also known as exponential response and complex replacement, is a method used to find a particular solution of a non-homogeneous linear ordinary differential equation of any order. The expon ...

Science and technology

ERF (gene) ETS domain-containing transcription factor ERF is a protein that in humans is encoded by the ''ERF'' gene In biology, the word gene (from , ; "... Wilhelm Johannsen coined the word gene to describe the Mendelian units of heredity..." mean ...

, coding for ETS domain-containing transcription factor * Electrorheological fluid *

Eukaryotic release factors A release factor is a protein that allows for the termination of translation by recognizing the termination codon or stop codon in an mRNA sequence. They are named so because they release new peptides from the ribosome. Background During t ...

Event-related field An event-related potential (ERP) is the measured brain response that is the direct result of a specific sensory, cognitive, or motor event. More formally, it is any stereotyped electrophysiological response to a stimulus. The study of the brai ...

Other uses

Erf (law) In real estate, an erf (pl. erven) is the legal term used in Namibia, South Africa and Eswatini to describe a piece of land registered in a deeds registry as an erf, lot, plot or stand. The term is of Afrikaans origin. Section 102 of the South Afr ...

, in real estate law *

Erf (river) Erf is a river of Bavaria and Baden-Württemberg, Germany. In Baden-Württemberg, it is called Erfa. It flows into the Main in Bürgstadt. See also *List of rivers of Baden-Württemberg *List of rivers of Bavaria A list of rivers of Bavaria, G ...

, in Germany *

Estuarine Research Federation The Coastal and Estuarine Research Federation (CERF) is a private, nonprofit organization that was created in 1971. At that time, the members of two regionally based organizations, the Atlantic Estuarine Research Society (AERS) and the New England ...

, an American environmental organization * Erfurt-Weimar Airport, in Germany (IATA code) * European Racquetball Federation *

European Refugee Fund The European Refugee Fund (ERF) was a scheme designed to facilitate the sharing of the financial costs of the reception, integration and voluntary repatriation of refugees amongst European Union member states. All EU member states apart from Denma ...

Extreme Reaction Force An initial reaction force (IRF), also known as an internal reaction force, or extreme reaction force (ERF) to inmates, is a type of small-scale riot squad in U.S. military prisons such as the Camp Delta detention center of Guantanamo Bay. A squa ...

, in United States military prisons * Reformed Church of France (French: '), a Christian denomination in France {{disambiguation