thermalize

verb
ther·mal·ize | \ˈthər-mə-ˌlīz \
thermalized; thermalizing

Definition of thermalize 

transitive verb

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

Other Words from thermalize

thermalization \ˌthər-mə-lə-ˈzā-shən \ noun

First Known Use of thermalize

1948, in the meaning defined above

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The first known use of thermalize was in 1948

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