Dictionary.com
Thesaurus.com

phase transition

American  
[fayz-tran-zish-uhn] / ˈfeɪz trænˌzɪʃ ən /

noun

phase transitions plural
  1. Physical Chemistry. the change from one phase of a substance to another, such as from solid to liquid.


phase transition Scientific  
  1. A change in a feature of a physical system that results in a discrete transition of that system to another state. For example, the melting of ice is a phase transition of water from a solid phase to a liquid phase. Phase transitions often involve the absorption or emission of energy from the system; ice, at 0 ° Celsius, must absorb a considerable amount of heat energy to become water.

  2. See also state of matter thermodynamics


Other Word Forms

Noun Inflected Forms

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Stronger interactions between neighboring chains are predicted to trigger a phase transition from semiconductor to metal as chain density increases.

From Science Daily Feb. 16, 2026

"For the first time, we've seen a superfluid undergo a phase transition to become what appears to be a supersolid," said Dean.

From Science Daily Feb. 5, 2026

However, building on their earlier work, the team showed that fluids move through a pipe in a non-equilibrium phase transition, known as directed percolation, at the transition point between laminar and turbulent flow.

From Science Daily Jun. 3, 2024

This change in motion was attributed to a phase transition in the crystal that created more space between adjacent molecules, giving the phenylene rings more room to rotate.

From Science Daily Jan. 19, 2024

In this there is no phase transition or supercooling.

From "A Brief History of Time: And Other Essays" by Stephen Hawking

Vocabulary.com logo
by dictionary.com

Join 12,000,000 vocabulary learners

Start learning new words today on VocabTrainer.
You'll remember them forever.

Start training