| AI | Artificial intelligence |
| BCI | Brain-computer interface |
| CCS | Carbon capture and storage |
| CCU | Carbon capture and utilisation |
| CCUS | Carbon capture, utilisation and storage |
| CLACSO | Latin American Council for Social Sciences |
| CPC | Co-operative patent classification |
| CSTP | Committee for Scientific and Technological Policy |
| EEG | Electroencephalogram |
| EII | Energy-intensive industry |
| EO | Earth observation |
| EU | European Union |
| EUR | Euro |
| FAIR | Findable, Accessible, Interoperable and Reusable |
| FTA | Forward-looking technology assessment |
| GDP | Gross domestic product |
| GERI | Global Ecosystem Research Infrastructure |
| GUF | General university funds |
| IP | Intellectual property |
| ISIC | International Standard Industrial Classification |
| JST | Japan Science and Technology |
| LLM | Large language model |
| LMIC | Low- and middle-income country |
| M&A | Mergers and acquisitions |
| METI | Ministry of Economy, Trade and Industry (Japan) |
| MOIP | Mission-oriented innovation policy |
| NASA | National Aeronautics and Space Administration (United States) |
| NSF | National Science Foundation |
| ODISSEI | Open Data Infrastructure for Social Science and Economic Innovations |
| PIL | Policy innovation lab |
| PPP | Purchasing power parity |
| PRO | Public research organisation |
| R&D | Research and development |
| R&I | Research and innovation |
| RCT | Randomised control trial |
| RDD | Research, development and deployment |
| RDI | Research, development and innovation |
| ReICO | Research and Innovation Careers Observatory |
| RI | Research infrastructure |
| RTA | Revealed technological advantage |
| SDG | Sustainable Development Goal |
| SME | Small and medium-sized enterprise |
| SSH | Social sciences and humanities |
| STEM | Science, technology, engineering and mathematics |
| STI | Science, technology and innovation |
| STIP | Science, Technology and Innovation Policy (Database) |
| TA | Technology assessment |
| TiVA | Trade in Value Added |
| TRL | Technology-readiness level |
| TRUST | Trusted Research Using Safeguards and Transparency |
| USD | United States dollar |
| VC | Venture capital |
OECD Science, Technology and Innovation Outlook 2025
Driving Change in a Shifting Landscape