- Any well-defined collection of genetic material used to identify unknown nucleic acids; classically, a collection of expressed cDNA clones representing the genome of a particular organism, used to identify newly purified genes or mRNAs by hybridization.
Definition from: CRISP Thesaurus via Unified Medical Language System at the National Library of Medicine
- A collection of cloned DNA fragments that are maintained in a suitable cellular environment and that represent the genetic material of a particular organism or tissue <inserting segments from a library of human DNA into yeast cells -- Science News>.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
Related discussion in the Handbook
See also Understanding Medical Terminology.