-ation, -ization (-iz[e] + -ation); -isation (British spelling variation)

Intellectual functioning that is significantly below average and is associated with impairment in social adjustment, manifested prior to maturity; usually early in life.

The term is specifically defined in different nations and by some professional organizations, but no single definition is accepted worldwide.

The process of thinking; especially thinking carefully.

The act of mesmerizing; the state of being mesmerized.

1. A process in which human populations go from one regiion to another one; usually, resulting in cultural contact with their new environments.
2.A group of birds, fish, or other animals that are going together from one region or country to another for feeding or breeding purposes.
3. A group of people moving together; especially, in some given time period.
4. In chemistry, the movement of ions under the influence of an electric field.
5. The movement of an atom, or a group of atoms or double bonds, from one part of a molecule to another.
6. A transfer of computer data, programs, or hardware from one system to another.
7. The movement of oil, gas, contaminants, water, or other liquids through porous and permeable rock.
8. A condition or process of extraction, in which an aqueous or organic solvent selectively dissolves part of an adhesive film and carries it to a different location as the solvent evaporates.

General biological migrations

Animal migration is a predictable, recurring group movement that is characteristic of the members of a given species, and which occurs regularly in response to seasonal changes in temperature, precipitation, food availability, etc.

The process usually involves a round-trip movement between two areas, to seek a more suitable breeding place, a greater food and water supply, or other more favorable environmental conditions.

1. The act of assembling and putting into readiness for war or other emergency.
2. To equip with armed forces and defenses.
3. To adapt for military use.

1. A counting or estimating something incorrectly.
2. An incorrect or mistaken calculation; such as, an expectation based on circumstances.

A mixing of ethnic groups; such as, when people of different races live together and have children: Mark was a child of miscegenation because his mother was German and his father was African American and now he is a German citizen working as a construction engineer.

The method or result of effecting something to be less threatening, painful, cruel, detrimental, or serious: Dr. Thompson's main concern was the mitigation of his wife's suffering.

Jim came home late one evening and in mitigation told his mother that he had helped a neighbor who wanted to cross the busy road to get home.

In the year of the terrible floods, the government offered mitigation to those who had suffered by losing their homes.

Mitigation can include avoiding the impact by not taking a certain action, minimizing consequences by limiting the degree or magnitude of the action, rectifying the impact by repairing or restoring the affected environment, reducing the impact by protective steps required with the action, and compensating for the impact by replacing or providing substitute resources.