Definition of "thyroxin" []

• Alternative spelling of thyroxine. (noun)

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• "When the body has too much thyroxin, palpitations, heat intolerance, fast heart rate, trembling ands, and fatigue could happen."
• "And so, the gland overproduces the hormone thyroxin."
• "The thyroid must have iodine to make thyroxin, the main thyroid hormone."