\documentclass[aspectratio=169, usepdftitle=false, handout]{beamer}

\RequirePackage[automake, toc = false]{glossaries-extra}
\RequirePackage{hyperref}

\usetheme{Madrid}
\usecolortheme{dove}
\usefonttheme{professionalfonts}

\makeglossaries

\begin{document}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Cover slide %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\title{Test Title}
\date{}
\begin{frame}[plain]
    \titlepage
\end{frame}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Outline / table of content %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\begin{frame}{Outline}
    \tableofcontents
\end{frame}


\section{Test section}
\begin{frame}{Test frame}
    \begin{itemize}
        \item Test item
    \end{itemize}
\end{frame}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% English-German dictionary (via glossaries-extra package) %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\newglossaryentry{load}{
    name={load},
    description={Last / Belastung}
}

\newglossaryentry{copper}{
    name={copper},
    description={Kupfer}
}

\newglossaryentry{nameplate}{
    name={nameplate},
    description={Typenschild}
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Build glossary %%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\begin{frame}[allowframebreaks]{English-German dictionary}
    \glsaddallunused
    \small
    \printglossary[style = listdotted, nogroupskip]
\end{frame}

\end{document}