diff --git a/base/array.jl b/base/array.jl
index 5b5bb342ed3d0..42dc231971e16 100644
--- a/base/array.jl
+++ b/base/array.jl
@@ -4,6 +4,10 @@ typealias Vector{T} Array{T,1}
 typealias Matrix{T} Array{T,2}
 typealias VecOrMat{T} Union(Vector{T}, Matrix{T})
 
+typealias DenseVector{T} DenseArray{T,1}
+typealias DenseMatrix{T} DenseArray{T,2}
+typealias DenseVecOrMat{T} Union(DenseVector{T}, DenseMatrix{T})
+
 typealias StoredVector{T} StoredArray{T,1}
 typealias StridedArray{T,N,A<:DenseArray} Union(DenseArray{T,N}, SubArray{T,N,A})
 typealias StridedVector{T,A<:DenseArray}  Union(DenseArray{T,1}, SubArray{T,1,A})
diff --git a/base/exports.jl b/base/exports.jl
index e72dbff4b3a8c..198f424c9ce6a 100644
--- a/base/exports.jl
+++ b/base/exports.jl
@@ -36,6 +36,9 @@ export
     Complex64,
     Complex32,
     DArray,
+    DenseMatrix,
+    DenseVecOrMat,
+    DenseVector,
     DevNull,
     Diagonal,
     Dict,