English Reference
noun

transformation

n.
US /ˌtɹænsfɝˈmeɪʃən/ UK /tɹænsfɔːmˈeɪʃən/ trans·for·ma·tion UK spelling transformation's, transformation's

  1. 01 B2 Upper Intermediate

    a complete change in the appearance or character of something.

    a marked change in the form, nature, or appearance of something, typically resulting in an improvement.

    Simple

    The old factory underwent a transformation and is now a beautiful art gallery.

    In context

    The city has seen a total transformation over the last decade, evolving from a decaying industrial hub into a vibrant centre for technology and tourism.

  2. 02 C1 Advanced Technical Math

    a process that changes one mathematical shape or expression into another.

    a mapping of one mathematical space onto another, or the replacement of variables in an algebraic expression.

    Simple

    The teacher explained how a geometric transformation can flip or rotate a shape.

    In context

    Linear transformations are fundamental to understanding how vectors behave when moving from one coordinate system to another.

  3. 03 C2 Proficiency AcademicTechnical Science

    a rule that changes the structure of a sentence into a different form.

    a rule that systematically converts one syntactic structure into another, such as changing an active sentence into a passive one.

    Simple

    In grammar class, we learned about the transformation of active sentences into passive ones.

    In context

    Generative grammar relies on specific transformations to explain how deep structures are converted into the surface structures of spoken language.

  4. 04 C1 Advanced Technical Science

    a change in a cell caused by taking in DNA from outside.

    the genetic alteration of a cell resulting from the direct uptake and incorporation of exogenous genetic material from its surroundings.

    Simple

    Scientists used bacterial transformation to create medicine in the lab.

    In context

    The successful transformation of the bacteria allowed the researchers to introduce a gene that provides resistance to specific antibiotics.

  5. 05 C1 Advanced Dialect

    the change from apartheid to a fair democracy for all races in South Africa.

    the socio-political transition from the apartheid era to a multiracial democracy in South Africa.

    Simple

    The country is still working on economic transformation many years after the end of apartheid.

    In context

    Transformation remains a central pillar of government policy as the nation seeks to redress the systemic inequalities inherited from the past.

    Usage

    Often used with a capital 'T' in South African contexts.

Usage undergo transformation

While a fundamental political and ideological transformation of Serbia remains difficult to imagine, Markovic said the most important step would be to remove Vucic and the SNS from power.

Al Jazeera· 14 Aug 2026

In 2025, Spain's Minister for Digital Transformation and Public Service Óscar López also announced a new plan transform the state administration using artificial intelligence , but again this doesn't appear to have materialised yet.

The Local· 13 Aug 2026

Inherited from Middle English transformacioun, from Middle French, from Ecclesiastical Latin trānsfōrmātiō. Morphologically transform + -ation.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin la-ecc trānsfōrmātiō
Level C1 · Advanced
Frequency Common
Updated