Effective Core Potential, a term in computational chemistry

Executive Cellular Processor, a part of CDMA architecture

Eastman Color Positive, a photographic processing system

Electrochemical potential

Eye care professional

European Committee for the Prevention of Torture

Electronically controlled pneumatic railway brakes.

Empty category principle, a syntactic constraint in theoretical linguistics

English Collective of Prostitutes, a feminist group

Emergency Care Practitioner, a type of Paramedic/Nurse

East Coast Parkway, a major highway in the south-east of the island-state of Singapore

École Centrale Paris, a French university

Emergency contraceptive pill, a type of contraception also known as morning-after pill

Extended capability port, a type of parallel port used in computers

Eosinophil Cationic Protein, a pore building and RNAse-functioning molecule synthesised by eosinophils