Main Entry:

trans·for·ma·tion

Pronunciation:

\ˌtran(t)s-fər-ˈmā-shən, -fȯr-\

Function:

noun

Date:

15th century

1: an act, process, or instance of transforming or being transformed2: false hair worn especially by a woman to replace or supplement natural hair3 a (1): the operation of changing (as by rotation or mapping) one configuration or expression into another in accordance with a mathematical rule ; especially : a change of variables or coordinates in which a function of new variables or coordinates is substituted for each original variable or coordinate (2): the formula that effects a transformation b: function 5a c: an operation that converts (as by insertion, deletion, or permutation) one grammatical string (as a sentence) into another ; also : a formal statement of such an operation4: genetic modification of a bacterium by incorporation of free DNA from another bacterial cell ; also : genetic modification of a cell by the uptake and incorporation of exogenous DNA