DNA
D-N-A · noun
Definitions
noun
- 1.
Deoxyribonucleic acid; a self-replicating material present in nearly all living organisms as the main constituent of chromosomes, carrying genetic information.
- 2.
(Figurative) The fundamental and distinctive characteristics or qualities of something.
Phrases & expressions
- •DNA test — An analysis of genetic material to determine identity or relationships
- •DNA fingerprinting — A technique for identifying individuals by their unique DNA patterns
- •junk DNA — Portions of DNA that do not code for proteins
Related words
Etymology
Abbreviation of deoxyribonucleic acid, coined in 1944. The structure was famously described by Watson and Crick in 1953.