• 2MASS: 2-Micron All Sky Survey
• A&A: Authorisation and Authentication
• ADASS: Astronomical Data Analysis Software & Systems conference series
• AEAB: ASTERICS External Advisory Board
• AEB: ASTERICS Executive Board
• AGA: ASTERICS General Assembly
• AGN: Active Galactic Nuclei
• AIDA: Astronomical Infrastructure for Data Access
• Aladin: Sky atlas and discovery tool
• ALMA: Atacama Large Millimeter/submillimeter Array
• AMST: ASTERICS Management Support Team
• ANTARES: Astronomy with a Neutrino Telescope and Abyss environmental RESearch
• APC: AstroParticule et Cosmologie
• APPEC: AstroParticle Physics European Consortium
• ASPERA: Astroparticle Physics European Research Area
• ASTERICS: Astronomy ESFRI & Research Infrastructure Cluster
• ASTRON: Netherlands Institute for Radio Astronomy
• ASTRONET: An ERA-NET of European funding agencies for long-term planning in astronomy
• Astro-WISE: Astronomical Wide-field Imaging System for Europe
• CANFAR: Canadian Advanced Network for Astronomical Research 
• CDS: Centre de Données astronomiques de Strasbourg 
• CEA: Commissariat à l’Energie Atomique et aux Energies Alternatives
• CLEOPATRA: Connect Locations of ESFRI Obs. & Partners in Astronomy for Timing & RT Alerts
• CNRS: Centre National de la Recherche Scientifique
• CoRoT: COnvection ROtation and planetary Transits
• CoSADIE: Collaborative and Sustainable Astronomical Data Infrastructure for Europe
• CPPM: Centre de Physique des Particules de Marseille
• CSIC: Consejo Superior de Investigaciones Científicas
• CSP: IVOA Committee for Science Priorities 
• CTA: Cherenkov Telescope Array
• CUDA: Compute Unified Device Architecture
• DADI: Data Access, Discovery and Interoperability
• DAL: Data Access Layer
• DALI: Data Access Layer Interface
• D-ANA: Data Analysis/interpretation
• Datalink: means of connecting one location to another for the purpose of transmitting and receiving digital information
• DCA: Data Centre Alliance
• DECS: Dissemination, Engagement and Citizen Science
• DESCA: Development of a Simplified Consortium Agreement
• DESY: Deutsches Elektronen-Synchrotron
• D-GEX: Data Generation and information Extraction
• D-GIA: Data Generation, Integration & Analysis
• D-INT: Data systems Integration
• DiRAC: Distributed infrastructure with Remote Agent Control
• Docker: a software container platform
• DOME: ASTRON IBM Center for Exascale Computing
• EAS: European Astronomical Society
• EGEE: Enabling Grids for E-science
• EGI: European Grid Initiative
• EGO: European Gravitational Observatory
• e-IRG: e-Infrastructure reflection Group
• ELT: Extremely Large Telescope (previously known as: E-ELT)
• ERA-NET: European Research Area Network
• ERIC: European Research Infrastructure Consortium
• ESA: European Space Agency
• ESAC: European Space Astronomy Centre
• ESFRI: European Strategy Forum on Research Infrastructures
• ESO: European Organisation for Astronomical Research in the Southern Hemisphere
• ET: Einstein Telescope
• EUCLID: An ESA space mission to map the Dark Universe
• EUDAT: European Collaborative Data Infrastructure
• Euro-VO: European Virtual Observatory
• EU-T0: Data Research and Innovation Hub (European Tier 0)
• e-VLBI: Electronic VLBI (see VLBI)
• EXPReS: Express Production Real-time e-VLBI Service
• FAU: Friedrich-Alexander Universität Erlangen Nürnberg
• FITS: Flexible Image Transport System
• FOM: Stichting Fundamenteel Onderzoek der Materie
• GAVO: German Astrophysical Virtual Observatory
• GTD: GTD Systems & Software Engineering
• HDF: Hierarchical Data Format
• HEALPix: Hierarchical Equal Area isoLatitude Pixelization of a sphere
• HESS: High Energy Stereoscopic System
• HiPS: Hierarchical Progressive Survey
• IAP: Institut d’Astrophysique de Paris
• IAU: International Astronomical Union
• ICE: International Cooperation Empowerment
• IceCube: South Pole neutrino observatory
• ICT: Information and Computing Technology
• IEEC: Institut d’Estudis Espacials de Catalunya (Institute for Space Studies of Catalonia)
• IFAE: Instituto de Fisica de Altas Energias
• INAF: Istituto Nazionale di Astrofisica
• INFN: Instituto Nazionale di Fisica Nucleare
• INTA: Instituto Nacional de Técnica Aeroespacial
• iRODS: Integrated Rule-Oriented Data System
• IVOA: International Virtual Observatory Alliance
• JIVE: Joint Institute for VLBI ERIC
• JSON: JavaScript Object Notation
• KM3NeT: A multi­km3 sized Neutrino Telescope
• LAPP: Laboratoire d’Annecy-le-Vieux de Physique des Particules
• LEIT: Leadership in Enabling & Industrial Technologies
• LIGO: Laser Interferometer Gravitational-wave Observatory
• LOFAR: Low Frequency Array
• LSST: Large Synoptic Survey Telescope
• LUTH: Laboratoire de l'Univers et de ses Théories
• MAGIC: Major Atmospheric Gamma-ray Imaging Cherenkov telescopes
• MAUD: MAnagement, User engagement and data Dissemination
• MOC: Multi-Order Coverage
• MPE: Mass Participation Experiments
• NEXPReS: Novel Explorations Pushing Robust e-VLBI Services
• NIKHEF: Nationaal Instituut voor Kernfysica en Hoge-EnergieFysica
• OAI-PMH: Open Archives Initiative Protocol for Metadata Harvesting
• OAS: Observatoire Astronomique de Strasbourg
• OASIS: Optically Adaptive System for Imaging Spectroscopy
• OATs: Osservatorio Astronomico di Trieste
• OBELICS: OBservatory E­environments LInked by common ChallengeS
• ObsCore: Observational Core Data Model
• OBSPAR: Observatoire de Paris
• OU: Open University
• Pan-STARRS: Panoramic Survey Telescope And Rapid Response System
• PDL: Parameter Description Language
• PQL: Parameter Query Language
• PRACE: Partnership for Advanced Computing in Europe
• RDA: Research Data Alliance
• RegTAP: An IVOA Recommendation for use of IVOA Registries with TAP
• RFC: Request For Comments
• RI: Research Infrastructure
• ROOT: Object-oriented program amd library developed by CERN
• SAMP: Simple Application Messaging Protocol
• SDSS: Sloan Digital Sky Survey
• SED: Spectral Energy Distribution
• SIA: Simple Image Access 
• SIMBAD: Set of Identifications, Measurements and Bibliography for Astronomical Data
• SimDAL: Simulation Data Model
• SKA: Square Kilometre Array
• SME: Small Medium Enterprise
• SODA: Server-Side Operation for Data Access (previously AccessData)
• SODA: Server-side Operations for Data Access
• Spark: a cluster computing platform
• SSAP: Simple Spectral Access Protocol
• SSO: Single Sign On
• STFC: Science & Technology Facilities Council
• STILTS: Starlink Tables Infrastructure Library Toolset
• STW: Stichting voor de Technische Wetenschappen
• SURFnet: Samenwerkende Universitaire Reken Faciliteiten netwerk (the national research and education network of the Netherlands, a subsidiary of a not-for-profit foundation.)
• SVOM: Space-based multiband astronomical Variable Objects Monitor - Chinese-French space mission
• TAP: Table Access Protocol
• TERAPIX: Traitement Élémentaire, Réduction et Analyse des Pixels
• TOPCAT: Tool for Operations on Catalogues and Tables
• UCAM: University of Cambridge
• UCM: Universidad Complutense de Madrid
• UEDIN: University of Edinburgh
• UGR: Universidad de Granada
• UHEI: Ruprecht-Karls-Universität Heidelberg
• UNISTRA: Université de Strasbourg
• UvA: Universiteit van Amsterdam (University of Amsterdam)
• UWS: Universal Worker Service
• VAMDC: Virtual Atomic and Molecular Data Centre
• VERITAS: Very Energetic Radiation Imaging Telescope Array System
• VIRGO: Interferometer for detection of Gravitational Waves
• VizieR: Database of astronomical catalogues, published tables and other data
• VLBI: Very Long Baseline Interferometry
• VLT: Very Large Telescope
• VO: Virtual Observatory
• VOEvent: Sky Event Reporting Metadata 
• VOSA: Virtual Observatory SED Analyzer
• VTP: VOEvent Transfer Protocol
• VU: Vrije Universiteit (Free University of Amsterdam)
• WCS: World Coordinate System
• WP: Work package
• WRE: White Rabbit Ethernet​