noun

transformation

trans-fur-MAY-shun/ˌtrænsfərˈmeɪʃn/

A change into a different form.

The old warehouse undergoes a transformation into a bright library.

Before and after old warehouse converted into bright library.

Etymology

transLatinacross, beyond

+formLatinto form

+ationLatinaction or process

“Across, beyond” combined with “to form” conveyed changing shape. The same idea applies to changes in nature or character, so a transformation need not concern outward appearance alone.

In context

See Hear Say Learn3:55

C gamma cerium starts to change to beta cerium but the transformation involves a volume increase and as more beta forms the internal stress is built up

Cerium 🔬⚛️🔬 Periodic Table of Elements Series 🔬⚛️🔬

More examples

Her transformation from shy student to confident speaker surprises everyone.
The garden undergoes a remarkable transformation each spring.
In geometry, a transformation can turn a triangle without changing its size.

Forms

transformation · transformations

transform verb — To change something into a different form.

transformational adjective — Causing a major change in something.

Similar words

change: Broader term that includes minor differences as well as major ones.
conversion: Often emphasizes changing something to a different use or system.
metamorphosis: Emphasizes a dramatic change in shape, especially in living things.