(Commonwealth, dated, _, in, _, UK) A subject-based qualification superseded in England by GCSE, but still available internationally throughout the Commonwealth of Nations.
“I spent all night crying. Had O-level physics exams the next day, my head was on fire the entire day.”
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The vocabulary of software engineers, AI researchers, and anyone living in a terminal or on GitHub — from LLM to MCP, CORS to vibe coding, agentic to enshittification.
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