apparatus/procedure.tex: Add 'force curve' to the nomenclature

This term comes up a lot, and it's likely the first time most readers
will hear it.

diff --git a/src/apparatus/procedure.tex b/src/apparatus/procedure.tex
index 25e9be2d40bec515abb0108187ab407ba2d73a95..f24e2ef62429c734853a3427961d7e08e7e721cf 100644 (file)
--- a/src/apparatus/procedure.tex
+++ b/src/apparatus/procedure.tex
@@ -30,6 +30,10 @@ unfolding of a single protein domain in the polymer.  Therefore, the
 individual unfolding events are separated from each other in space and
 time, allowing single molecule resolution despite the use of
 multi-domain test proteins.
+%
+\nomenclature{force curve}{Or force--distance curve.  Cantilever-force
+  versus piezo extension data aquired during a force spectroscopy
+  experiment (\cref{fig:expt-sawtooth}).}
 
 \begin{figure}
   \begin{center}