1. a medical doctor who specializes in diagnosing and treating diseases and disorders of the endocrine system, including hormonal imbalances and conditions affecting the thyroid, pancreas, and pituitary gland
Usage: countable noun; professional medical title

Examples

• My doctor referred me to an endocrinologist because I was having trouble managing my diabetes.
• The endocrinologist ran several blood tests to check my thyroid function.
• She decided to become an endocrinologist after studying hormonal disorders in medical school.
• An endocrinologist can help patients with conditions like hyperthyroidism and polycystic ovary syndrome.
• The endocrinologist adjusted my medication to better regulate my insulin levels.
• If you suspect a hormonal problem, your primary care doctor can recommend a good endocrinologist.