A waxy substance secreted by the tear glands; tear-related lipid or waxy secretion.
From Greek 'dakryon' (tear) and Latin '-lin' or '-line' (relating to or containing). An obsolete or specialized medical term for tear gland secretions.
Your tears are more than just salty water—they contain lipids (fats) and oils that help keep your eyes lubricated, and 'dacryolin' was an old medical term for these fatty components.
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