OXFORD 9000
📚 noun • entry_id 5023

atom

/ˈætəm/
Meanings (ES + gloss)
átomo
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 ox…
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