An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

Homepage Preliminaries Abbreviations Acknowledgments References

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

spontaneous emission

گسیل ِ سرخود

gosil-e sarxod

Fr.: émission spontanée

The emission of electromagnetic radiation from an atom or molecule that does not depend on the presence of external fields.

See also: → spontaneous; → emission.