diff -r 9435f578284f -r cf3bf9b65cf2 data/dictionary.xml
--- a/data/dictionary.xml	Fri Sep 06 00:22:37 2013 +0200
+++ b/data/dictionary.xml	Fri Sep 13 23:53:37 2013 +0200
@@ -882,6 +882,15 @@
 		<tag>charging</tag>
 	</concept>
 	<concept>
+		<term abbreviation="SDR" completeForm="software-defined radio" language="en"/>
+		<explanation language="en">
+			<text>
+				a radio communication system that has important parts (filters, modulators, demodulators…) implemented as computer software instead of hardware components;
+				examples: Universal Software Radio Peripheral (USRP), GNU Radio (software)
+			</text>
+		</explanation>
+	</concept>
+	<concept>
 		<term abbreviation="MO" completeForm="mobile originated" language="en"/>
 		<explanation language="en">
 			<text>