monomath

Etymology
From +, from. Compare.

Noun

 * 1) A person with an extensive knowledge of a single subject or field, but little knowledge of others.
 * 2) * 2009, Edward Carr, "The Last Days of the Polymath", Intelligent Life, Autumn 2009:
 * Posner first made his name as a monomath. “I had a very big intellectual commitment for many years to anti-trust law. I wrote a lot about that.” Eventually, though, the polymath rose to the surface and he put anti-trust behind him.
 * 1) * 2009, Edward Carr, "The Last Days of the Polymath", Intelligent Life, Autumn 2009:
 * Posner first made his name as a monomath. “I had a very big intellectual commitment for many years to anti-trust law. I wrote a lot about that.” Eventually, though, the polymath rose to the surface and he put anti-trust behind him.
 * Posner first made his name as a monomath. “I had a very big intellectual commitment for many years to anti-trust law. I wrote a lot about that.” Eventually, though, the polymath rose to the surface and he put anti-trust behind him.