transformation

noun

trans·​for·​ma·​tion ˌtran(t)s-fər-ˈmā-shən 

-fȯr-

1

: an act, process, or instance of transforming or being transformed

2

: false hair worn especially by a woman to replace or supplement natural hair

3

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 sense 5a

c

: an operation that converts (as by insertion, deletion, or permutation) one grammatical string (such as a sentence) into another

also : a formal statement of such an operation

4

: 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

Synonyms

• changeover
• conversion
• metamorphosis
• transfiguration

Examples of transformation in a Sentence

The building underwent various transformations over the years.

a raven-haired starlet who underwent an attention-getting transformation and showed up at the awards ceremony as a blonde

Recent Examples on the Web

The digital realm is rapidly transforming, and AI technology leads the way in that transformation through search. —Dr. Bin Tang, Forbes, 14 Jan. 2025

Are the people in your life helping or hindering your growth and transformation? —Valerie Mesa, People.com, 14 Jan. 2025

Indeed, for the snow-viewer whose entire existence is devoted to detecting and registering slow-motion transformations occurring at both micro and macro scales, whose sacred daily mantra is lower the D, lower the D, lower the D, lower the D, the on-versus-off question is moot. —Leath Tonino, Outside Online, 13 Jan. 2025

When making big life changes, a dramatic hair transformation usually isn’t too far behind. —Jenzia Burgos, StyleCaster, 12 Jan. 2025

Word History

First Known Use

15th century, in the meaning defined at sense 1

Phrases Containing transformation

• linear transformation
• self-transformation
• topological transformation

Kids Definition

transformation

noun

trans·​for·​ma·​tion ˌtran(t)s-fər-ˈmā-shən 

-fȯr-

: an act, process, or example of transforming or being transformed

transformational

-shnəl

-shən-ᵊl

adjective

Medical Definition

transformation

noun

trans·​for·​ma·​tion ˌtran(t)s-fər-ˈmā-shən, -fȯr- 

1

: an act, process, or instance of transforming or being transformed see malignant transformation

2

a

: genetic modification of a bacterium by incorporation of free DNA from another ruptured bacterial cell compare transduction sense 2

b

: genetic modification of a cell by the uptake and incorporation of exogenous DNA