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.

UV comes from the de-excitation of atoms that may be part of a hot solid or gas.

From Textbooks • Aug. 12, 2015

Spontaneous de-excitation has a very short mean lifetime of typically about 10−8 s .

From Textbooks • Aug. 12, 2015

Phosphorescence is the de-excitation of a metastable state.

From Textbooks • Aug. 12, 2015