Sign in | English | Terms of Use
DictionaryForumContacts

   German ⇄ English
Google | Forvo | +
verbotene Spektrallinien
opt. forbidden spectral lines
verbotene Spektrallinie
phys. forbidden spectral line

 The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error | Get short URL | Language Selection Tips