Finished avionics test engineering internship

src/components/PopoverWordDefinition.astro

@@ -7,10 +7,13 @@ const keys: { [key: string]: string } = {
   ADCP: "Acoustic doppler current profiler",
   COTS: "Consumer off-the-shelf",
   CTD: "Conductivity, temperature, and depth sensor",
+  DUTs: "Devices under test",
   GUI: "Graphical user interface",
   NUC: "A small and low-power computer made by Intel",
   PCBs: "Printed circuit boards",
+  TDD: "Test driven development",
   UPS: "Uninterruptible power supply",
+  VISA: "Virtual instrument software architecture",
 };
 
 const key: string | undefined = Astro.props.key;
@@ -21,6 +24,12 @@ if (key && keys.hasOwnProperty(key)) {
   word = key;
   definition = keys[key];
 }
+
+if (!word || !definition) {
+  throw new Error(
+    `Popover definition is missing! Inputs were\nkey: ${key}\nword: ${word}\ndefinition: ${definition}`,
+  );
+}
 ---
 
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