| | Conditions Treatments | Thyroid Disease Does thyromegaly have a singular or plural form? Thyromegaly is the medical term for an enlarged thyroid gland. It is a singular noun, as it refers to a single condition. Thyroid Disease - Related Articles The Foods That Shed Fat Ablation Treatment for Rapid Irregular Heart Treatment What Can Treat Wasps & Bee Stings? The Casing and Cementing Process How to Lose Your Belly for Men Dipyridamole & Cardiolite Protocol Infrared Thermometer Uses