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Douglas Harper's Etymology Dictionary
in vitro

Latin; "in a test tube, culture dish, etc.;" literally "in glass" (see vitreous).

Wiktionary
in vitro

a. In an artificial environment outside the living organism. adv. In an artificial environment outside the living organism.

WordNet
in vitro
  1. adj. in an artificial environment outside the living organism; "in vitro fertilization" [syn: ex vivo] [ant: in vivo]

  2. adv. in an artificial environment outside the living organism; "an egg fertilized in vitro" [syn: ex vivo]

Wikipedia
In Vitro

In Vitroes are a fictional genetically engineered subspecies of humans in the science fiction television seriesSpace: Above and Beyond. The name is etymologically derived from the Latin phrase " in vitro", which is used in science to refer to state of being in an artificial environment outside the living organism. Thus, In Vitro refers to the race not only being conceived in a laboratory, but also artificially gestated in glass and metal cylinders, to be "born" as young adults.

Usage examples of "in vitro".

Ronald Ackerman, had explained to us at length the procedures of in vitro fertilization and intrauterine insemination.