transformation

transformation — noun

1. the process or result of a person or thing becoming very different in appearance

1.nounB2
Definition

the process or result of a person or thing becoming very different in appearance, nature, or condition — for example, a run-down neighbourhood turned into a clean, lively area, or someone who leaves a dead-end job and builds a completely new career.

Example

The old factory district underwent a remarkable transformation into a lively arts and culture hub.

undergo a transformation — used with 'into'

Bilal's transformation from shy office worker to confident team leader surprised his closest friends.

transformation from X to Y — before-and-after pattern

Common collocations
  • undergo a transformation
  • a dramatic / remarkable / radical transformation
  • transformation from ... to ...
  • personal / cultural / economic / digital transformation
Synonyms
  • change

    much broader; can be small or partial, whereas transformation implies a complete shift

  • conversion

    emphasises a change in purpose or function rather than appearance or character

  • overhaul

    suggests thorough repair or reorganisation, often of a system or machine

  • metamorphosis

    a literary or biological term for a striking, often natural, shape change (e.g. caterpillar to butterfly)

Antonyms

Usage Note

Frequently preceded by adjectives such as 'dramatic', 'remarkable', or 'radical' that emphasise the extent of the change. Often appears in the structure 'transformation from [A] to/into [B]'. Can be countable ('a remarkable transformation') or uncountable ('a period of transformation').

Common Mistakes

I made a small transformation to my hair.
I made a small change to my hair.
transformation suggests a complete or dramatic overhaul, not a minor adjustment.
The weather underwent a transformation this afternoon.
The weather changed this afternoon.
transformation is too strong for ordinary, reversible shifts; use 'change' instead.

2. an operation, such as moving, turning, stretching, or reflecting a shape, that c

2.nounC1
Definition

an operation, such as moving, turning, stretching, or reflecting a shape, that changes its position or form according to a fixed rule — for example, rotating a triangle around a central point, or mapping the points of a square onto new positions using a formula.

Example

A reflection is a type of transformation that flips a shape across a straight line.

reflection — a type of geometric transformation

Esteban learned that a rotation transformation turns a triangle ninety degrees around a fixed point.

rotation transformation — named geometric subtype with concrete example

Common collocations
  • geometric / linear / matrix transformation
  • apply / perform a transformation
  • transformation of [shape/equation]
  • rotation / reflection / translation / dilation transformation
Synonyms
  • mapping

    a more general term in mathematics for a rule that pairs elements of one set with elements of another

  • function

    broader term; a transformation is a specific type of function that changes position or shape

Usage Note

Domain: mathematics. Common subtypes include reflection (flipping), rotation (turning), translation (sliding), and dilation (resizing). In advanced contexts, the term also refers to functions that map one coordinate system or vector space onto another. This sense is typically used in formal, academic writing.

Common Mistakes

I applied a transformation on the shape.
I applied a transformation to the shape.
the preposition is 'to', not 'on'.

3. the process by which a living cell takes in DNA from its surroundings and perman

3.nounC2
Definition

the process by which a living cell takes in DNA from its surroundings and permanently changes its genetic material — a technique widely used in biotechnology to modify bacteria for producing medicine or studying genes.

Example

Bacterial transformation is a key technique used in genetic engineering laboratories worldwide.

bacterial transformation — the most common type in labs

The scientists successfully induced transformation in the cell using a purified DNA sample.

induce transformation — verb collocation

Common collocations
  • bacterial / genetic / DNA transformation
  • transformation efficiency
  • induce / undergo transformation
  • transformation process / mechanism
Synonyms
  • genetic modification

    broader term covering any technique that alters an organism's DNA, not just uptake of free DNA

Usage Note

Domain: genetics. This is a technical term used primarily in scientific writing. Distinguish from 'transduction' (DNA transferred by a virus) and 'conjugation' (DNA transferred by direct cell-to-cell contact). In laboratory practice, transformation is often artificially induced by heat shock or electroporation.

Common Mistakes

The virus caused transformation in the plant cells.
The bacteria underwent transformation after taking in DNA from the solution.
transformation specifically refers to uptake of free DNA, not infection by a virus.

Word family

  • transform
    verbB2
  • transformative
    adjectiveC1
  • transformer
    nounC1
  • transformational
    adjectiveC1

Synonym discussion

Sense: noun/1

Change is the broadest and most neutral term — it can describe any difference between two states, no matter how small or large. Conversion specifically refers to changing something's purpose or function (e.g. a warehouse converted into apartments). Transition emphasises a gradual, step-by-step shift from one condition to another, often with an intermediate phase. Overhaul suggests a thorough repair or reorganisation, especially for systems, machines, or organisations. Transformation, by contrast, implies a dramatic and complete shift in form, appearance, or character — often with a positive outcome. For example, you make a change to your résumé, experience a transition between jobs, undergo a conversion when a factory becomes a museum, and a neighbourhood that was once run-down experiences a full transformation after years of investment and renewal.

change ↗conversion ↗transitionoverhaul

Common collocations

Nouns

Adverbs

Phrases

  • undergo a transformation
  • bring about a transformation
  • go through a transformation

Prepositions

Etymology

LatinFrenchEnglish

From Latin transformatio, a noun formed from transformare 'to change the shape of', which combines trans- ('across, beyond') and forma ('form, shape'). The word entered English through Old French in the fifteenth century, originally referring to changes in physical shape before broadening to cover changes in character, condition, or structure.