diff --git a/src/OpenFOAM/dimensionedTypes/dimensionedType/dimensionedType.C b/src/OpenFOAM/dimensionedTypes/dimensionedType/dimensionedType.C
index ff51e2c613..9c1200e30b 100644
--- a/src/OpenFOAM/dimensionedTypes/dimensionedType/dimensionedType.C
+++ b/src/OpenFOAM/dimensionedTypes/dimensionedType/dimensionedType.C
@@ -35,6 +35,20 @@ namespace Foam
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
+template <class Type>
+dimensioned<Type> dimensioned<Type>::lookupOrDefault
+(
+    const word& name,
+    const dictionary& dict,
+    const Type& defaultValue,
+    const dimensionSet& dims
+)
+{
+    Type value = dict.lookupOrDefault<Type>(name, defaultValue);
+    return dimensioned<Type>(name, dims, value);
+}
+
+
 template <class Type>
 dimensioned<Type> dimensioned<Type>::lookupOrAddToDict
 (
diff --git a/src/OpenFOAM/dimensionedTypes/dimensionedType/dimensionedType.H b/src/OpenFOAM/dimensionedTypes/dimensionedType/dimensionedType.H
index a4fbaf2c17..1ad252955a 100644
--- a/src/OpenFOAM/dimensionedTypes/dimensionedType/dimensionedType.H
+++ b/src/OpenFOAM/dimensionedTypes/dimensionedType/dimensionedType.H
@@ -108,8 +108,17 @@ public:
         //- Construct from an Istream with a given name and dimensions
         dimensioned(const word&, const dimensionSet&, Istream&);
 
-        //- Construct from dictionary, supplying default value so that if the
-        //  value is not found, it is added into the dictionary.
+        //- Construct from dictionary, with default value.
+        static dimensioned<Type> lookupOrDefault
+        (
+            const word&,
+            const dictionary&,
+            const Type& defaultValue = pTraits<Type>::zero,
+            const dimensionSet& dims = dimless
+        );
+
+        //- Construct from dictionary, with default value.
+        //  If the value is not found, it is added into the dictionary.
         static dimensioned<Type> lookupOrAddToDict
         (
             const word&,
@@ -148,8 +157,7 @@ public:
         //- Return transpose.
         dimensioned<Type> T() const;
 
-        //- Update the value of the dimensioned<Type> if it is found in the
-        //  dictionary
+        //- Update the value of dimensioned<Type> if found in the dictionary.
         bool readIfPresent(const dictionary&);