// Workers AI · dad joke modeWhat did DCI say to the data? "You're under investigation

Not to be confused with TDCi.

DCI may be an abbreviation for:

Technology

• D-chiro-inositol, an isomer of inositol
• Data, context and interaction, an architectural pattern in computer software development
• Data center interconnect, a connection between data centers
• Digitally controlled impedance, a control function in FPGAs
• Display Control Interface, a computer graphics device driver standard developed using code from San Francisco Canyon Company
• Ductile cast iron, or ductile iron, a more flexible type of cast iron
• dCi (direct Common-rail Injection), Renault/Nissan's common rail fuel injection technology for diesel engines

Businesses

• Digital Cinema Initiatives, a consortium to establish a specification for a standard digital cinema architecture
• Discovery Communications, an American global media and entertainment company
• Dynamic Cassette International, a Boston, Lincolnshire, UK company that produces products under the Jet Tec brand name
• DCI Cheese Company
• Dolphin Capital Investors, a real estate investment company
• Diners Club International, a global charge card
• Défense Conseil International, a French international services company in the field of defense and security

Organizations

• DCI (Wizards of the Coast) (formerly Duelists' Convocation International, now Wizards Play Network), tournament sanctioning body for games including Magic: The Gathering
• Defence for Children International, a children's rights organization
• Dental Council of India, an organisation regulating dental education
• Dialysis Clinic, Inc, a nonprofit medical organization
• Drum Corps International, the nonprofit organization governing modern junior drum and bugle corps
• DCI Global Partnerships, a Christian charity organization
• Distressed Children & Infants International, a nonprofit organization
• Criminal Investigation Department (Kenya), a.k.a. Directorate of Criminal Investigations (DCI), a department within the Kenya Police

Other

• Dade Correctional Institution, a prison in Florida
• Development Cooperation Instrument, a financial construct of the European Union
• Director of Central Intelligence, formerly the head of the U.S. Intelligence Community and Central Intelligence Agency
• Detective chief inspector, a police rank in the United Kingdom
• Decompression illness, brought on by rapid decompression
• Defence Capabilities Initiative, a 1999 NATO plan to ensure the effectiveness of multinational operations
• DCI, the number 601 in Roman numerals
• District of Columbia International School, a charter school in the District of Columbia