ther·​mal·​ize | \ ˈthər-mə-ˌlīz How to pronounce thermalize (audio) \
thermalized; thermalizing

Definition of thermalize

transitive verb

: to change the effective speed of (a particle) to a thermal value thermalize a neutron

Keep scrolling for more

Other Words from thermalize

thermalization \ ˌthər-​mə-​lə-​ˈzā-​shən How to pronounce thermalization (audio) \ noun

Examples of thermalize in a Sentence

Recent Examples on the Web Experts say universal scaling is also helping to address deep conceptual questions about how quantum systems are able to thermalize at all. Quanta Magazine, "The Universal Law That Aims Time’s Arrow," 1 Aug. 2019 The researchers assumed the system would quickly thermalize: The pattern of ground and excited states would settle almost immediately into a jumbled sequence. Quanta Magazine, "Quantum Machine Appears to Defy Universe’s Push for Disorder," 20 Mar. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thermalize.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of thermalize

1948, in the meaning defined above

Keep scrolling for more

Learn More about thermalize

Time Traveler for thermalize

Time Traveler

The first known use of thermalize was in 1948

See more words from the same year

Statistics for thermalize

Cite this Entry

“Thermalize.” The Dictionary, Merriam-Webster Inc., Accessed 23 January 2020.

More from Merriam-Webster on thermalize

Rhyming Dictionary: Words that rhyme with thermalize

Comments on thermalize

What made you want to look up thermalize? Please tell us where you read or heard it (including the quote, if possible).


out of the ordinary or unreasonable

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman tablet
  • What did focus mean in Latin?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!