A collection of DNA sequences generated from mRNA sequences. This type of library contains only protein-coding DNA (genes) and does not include any non-coding DNA.

Dr. Eric Green, of the National Human Genome Research Institute's Genome Technology Branch, defines cDNA library.

Related terms: cloning, deoxyribonucleic acid (DNA), gene, genome, messenger RNA (mRNA), protein, ribonucleic acid (RNA), amino acids.