Relating to or containing azulmic acid, an organic compound related to humic substances found in soil and water.
From 'azulm-' (likely a blend of azure/azul and humic) plus the adjectival suffix '-ic.' This appears to be a technical chemistry term from 19th-century soil science research.
Azulmic acids are part of the dark, mysterious compounds in soil called humic matter—scientists still don't fully understand their structure, but they're crucial for soil fertility and carbon cycling on Earth!
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