[Tex/LaTex] Short form when acronym is first used in table

acronymsglossaries

I am referencing a table containing an acronym entry that has not been mentioned in the text before. I would like to print the acronym short form in the table (the acronym is used multiple times in the table) and print the long form when the acronym is used in the text for the first time. Here is my MWE:

\documentclass[a4paper,11pt,oneside,fleqn]{scrbook}
\usepackage[ngerman,english]{babel} % language listed last is default setting
\usepackage[utf8x]{inputenc}

\usepackage{mhchem}

\usepackage[acronym,toc]{glossaries}
\makeglossaries

\newacronym{LAr}{L\ce{Ar}}{Liquid Argon}

\begin{document}

some text ... \ref{SampleTable} ...

\begin{table}[!h] \centering
\begin{tabular}{|c|c|c|} \hline
& & \\ \hline \hline
\gls{LAr} & & \\ \hline
\gls{LAr} & & \\ \hline
& & \\ \hline
& & \\ \hline
& & \\ \hline
& & \\ \hline
\end{tabular}
\caption{Sample Caption}
\label{SampleTable}
\end{table}

.... some text ... \gls{LAr}

\end{document}

Best Answer

Just use \acrshort{} or \acs{} (this requires the shortcuts options of the glossaries package) in the table and it will force use of the short form. Then the later \gls{} in the main text thinks it's the first use and chooses to display the long form on its own:

\documentclass[a4paper,11pt,oneside,fleqn]{scrbook}
\usepackage[ngerman,english]{babel} % language listed last is default setting
\usepackage[utf8x]{inputenc}

\usepackage{mhchem}

\usepackage[acronym,toc,shortcuts]{glossaries}
\makeglossaries

\newacronym{LAr}{L\ce{Ar}}{Liquid Argon}

\begin{document}

some text ... \ref{SampleTable} ...

\begin{table}[!h] \centering
\begin{tabular}{|c|c|c|} \hline
& & \\ \hline \hline
\acs{LAr} & & \\ \hline
\acrshort{LAr} & & \\ \hline
& & \\ \hline
& & \\ \hline
& & \\ \hline
& & \\ \hline
\end{tabular}
\caption{Sample Caption}
\label{SampleTable}
\end{table}

.... some text ... \gls{LAr}

\end{document}

enter image description here

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