ECP

• Early Commissioning Program, a United States Army ROTC program offered by Military Junior College
• Entry Control Point, an established entry and exit point that is a part of layered security used to gain access to Forward Operating Bases (FOBs).

• École Centrale Paris, a French university
• Emerging Capital Partners, a private equity firm
• English College in Prague, a Czech high school
• English Collective of Prostitutes, a feminist group
• Episcopal Church in the Philippines, an autocephalous province of the Anglican Communion in the Philippines

• European Committee for the Prevention of Torture
• Evangelical Churches of Pentecost, a Pentecostal denomination which merged with the Apostolic Churches of Pentecost

• Effective Core Potential, a term in computational chemistry
• Electrochemical corrosion potential, an electrode potential with a non-zero net reaction on the working electrode but zero net current
• Electrochemical potential, a thermodynamic measure of chemical potential that includes the energy contribution of electrostatics
• Eastman Color Positive, a photographic processing system
• Electronic Communications in Probability, a scientific journal

• Engineering Change Proposal, see Beretta APX
• Enhanced Content Protection, see MovieLabs

• Electronic Check Processing, in electronic banking
• Extended Capability Port, an IEEE 1284 parallel port mode
• Equivalence class partitioning, a software testing technique
• Exascale Computing Project, a U.S. project to accelerate an exascale computing ecosystem
• Excessive crossposts, a form of Usenet spam, see also Breidbart Index

• Eosinophil cationic protein, a basic protein in the eosinophil primary matrix, encoded in humans by the RNASE3 gene
• Emergency Care Practitioner, a type of paramedic or nurse
• Emergency contraceptive pill, a type of contraception also known as morning-after pill
• Endoscopic CycloPhotocoagulation, a minimally invasive treatment for the management of glaucoma
• Extracorporeal photopheresis, a therapy in which blood is treated with a photosensitizing agent and subsequently irradiated with light
• External counterpulsation, a non-invasive therapy used to treat chronic angina and other ischemic heart diseases
• Eye Care Professional, an individual who provides a service related to the eyes or vision
• European Certificate of Psychotherapy, awarded by the European Association for Psychotherapy

• East Coast Parkway, a major highway in the south-east of Singapore
• Electronically controlled pneumatic brakes, a type of railway brake
• Energlyn & Churchill Park railway station, with station code ECP
• Northwest Florida Beaches International Airport (IATA: ECP), near Panama City Beach, Florida, US

• Economic calculation problem, an economic term that refers to fallacies in economic planning
• Election Commission of Pakistan
• Empty category principle, a syntactic constraint in theoretical linguistics
• Extreme corporal punishment, a fictional English band in the movie SLC Punk!

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