adjective & adverbBiology
(of a process) performed or taking place in a test tube, culture dish, or elsewhere outside a living organism.[as adjective] ‘in vitro fertilization’The opposite of in vivo[as adverb] ‘the parasites could not be grown in vitro’
- ‘In vitro fertilization, or IVF, has helped thousands of couples achieve pregnancy.’
- ‘In vitro expression of protein is used in functional genomics as a bridge between traditional genomics and proteomics.’
Late 19th century: Latin, literally in glass.