noun. abnormal enlargement of the liver.
1. Noun, plural Three potential causes of hepatomegaly have a diet connection 1. 2. Adjective Changes in diet can have a beneficial effect on all three of these causes of hepatomegaly 1. 3. Noun, singular or mass Fatty liver disease is one cause of hepatomegaly**, but there are other conditions that cause your liver to become enlarged as well 1.