In geology, education is a process in which the Earth crust spreads sideways, exposing deep-seated rocks. It is prominent in middle layers of the Himalayas, where gravity pushes the mountains down.
The United Nations Convention on the Rights of Persons with Disabilities defines disability as: long-term physical, mental, intellectual or sensory impairments which in interaction with various barriers may hinder [a person's] full and effective participation in society on an equal basis with others.