释义 |
radiationless transition radiationless transition[‚rād·ē′ā·shən·ləs tran′zish·ən] (physics) A transition of a system between two energy states in which energy is given to or taken up from another system or particle, rather than being emitted or absorbed in electromagnetic radiation; examples include internal conversion, the Auger effect, and excitation or deexcitation of atoms or molecules in collisions with other atoms or molecules. |