Andrija Mohorovicic was a Croatian seismologist and geophysicist who is famous for the discovery of the Mohorovicic discontinuity, also known as the Moho. Synonyms for the name Andrija Mohorovicic include A. Mohorovicic, Moho, and Mohorovičić. The Moho is a boundary that separates the Earth's crust from the mantle and is significant for understanding the structure and composition of the Earth's interior. The name Mohorovicic is pronounced moh-ho-roh-VI-chich and remains an important historical figure in the field of geophysics.