diff --git a/book/abbreviations.tex b/book/abbreviations.tex
new file mode 100644
index 0000000..0cf5d34
--- /dev/null
+++ b/book/abbreviations.tex
@@ -0,0 +1,4 @@
+% Common abbreviations
+\newcommand{\ie}{\emph{i.e.}\@ifnextchar.{\!\@gobble}{}}
+\newcommand{\eg}{\emph{e.g.}\@ifnextchar.{\!\@gobble}{}}
+\newcommand{\etc}{etc\@ifnextchar.{}{.\@}}
diff --git a/book/figures/vars.tex b/book/figures/vars.tex
index e9555ff..1f9c012 100644
--- a/book/figures/vars.tex
+++ b/book/figures/vars.tex
@@ -6,3 +6,4 @@
 \DeclareSIUnit\degF{\text{°}F}
 \input{flowcharts_tikz.tex}
 \input{../colors.tex}
+\input{../abbreviations.tex}
diff --git a/book/makefile b/book/makefile
index 57bfa2a..80ef205 100644
--- a/book/makefile
+++ b/book/makefile
@@ -35,13 +35,13 @@ chapters = baking basics bread-types cover flour-types history intro mix-ins\
 
 src_tables  := $(wildcard tables/table-*.tex)
 src_figures := $(wildcard figures/fig-*.tex) figures/flowcharts_tikz.tex
-src_figures += $(wildcard plots/fig-*.tex)
+src_figures += $(wildcard plots/fig-*.tex) abbreviations.tex colors.tex
 src_recipes := $(wildcard recipes/*.tex)
 src_plots   := $(wildcard plots/*.table)
 
 src_tex := $(foreach directory, $(chapters), $(wildcard $(directory)/*.tex))
 src_tex += book.tex book_sans_serif.tex references.bib figures/vars.tex
-src_tex += supporters.csv sourdough.sty colors.tex
+src_tex += supporters.csv sourdough.sty colors.tex abbreviations.tex
 src_tex += $(src_recipes)
 
 images := $(wildcard images/*/*.jpg)
diff --git a/book/sourdough.sty b/book/sourdough.sty
index 370e706..fe2f1ca 100644
--- a/book/sourdough.sty
+++ b/book/sourdough.sty
@@ -34,9 +34,7 @@
 \DeclareTOCStyleEntry[numwidth=3em]{tocline}{table}
 
 % Common abbreviations
-\newcommand{\ie}{\emph{i.e.}\@ifnextchar.{\!\@gobble}{}}
-\newcommand{\eg}{\emph{e.g.}\@ifnextchar.{\!\@gobble}{}}
-\newcommand{\etc}{etc\@ifnextchar.{}{.\@}}
+\input{abbreviations.tex}
 
 % Consistent pH values
 \newcommand{\pHvalue}[1]{pH~\SI{#1}{}}