Noun

(en noun)

The act of transforming or the state of being transformed.

A marked change in appearance or character, especially one for the better.

(mathematics) The replacement of the variables in an algebraic expression by their values in terms of another set of variables; a mapping of one space onto another or onto itself; a function that changes the position or direction of the axes of a coordinate system.

(linguistics) A rule that systematically converts one syntactic form into another; a sentence derived by such a rule.

(genetics) The alteration of a bacterial cell caused by the transfer of DNA from another, especially if pathogenic.

(politics, South Africa) Ideologically driven government policy - becoming more conformant with socialist and African nationalist groupthink.

Noun

(en noun)

An instance of moving to live in another place for a while.

Seasonal moving for animals, birds or fishes to breed or find a new home.

* {{quote-magazine, date=2013-01-01

, author=Paul Bartel, Ashli Moore , title=Avian Migration: The Ultimate Red-Eye Flight , volume=101, issue=1, page=47–48 , magazine= citation , passage=Many of these classic methods are still used, with some modern improvements. For example, with the aid of special microphones and automated sound detection software, ornithologists recently reported […] that pine siskins (Spinus pinus ) undergo an irregular, nomadic type of nocturnal migration .}}

Movement in general.

The migration of lead from a can to the food inside it can cause lead poisoning.

(computing) Instance of changing a platform from an environment to another one.