(chemistry, physics) The smallest possible amount of matter which still retains its identity as a chemical element, now known to consist of a nucleus surrounded by electrons.
Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: the ability to convert water and carbon dioxide into carbohydrates and waste oxygen using solar energy. The evolutionary precursor of ph…
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(history of science) A hypothetical particle posited by Greek philosophers as an ultimate and indivisible component of matter.
Towards the following morning, the thermometer fell to 5°; and at daylight, there was not an atom of water to be seen in any direction.
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(now generally regarded, _, figuratively) The smallest, indivisible constituent part or unit of something.
But at this critical moment the pirate astern sent a mischievous shot and knocked one of the men to atoms at the helm.
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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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