in vivo

adverb or adjective in vi·vo \ in-ˈvē-(ˌ)vō , -ˈwē-(ˌ)wō \

Definition of in vivo

:in the living body of a plant or animal

Origin and Etymology of in vivo

New Latin, literally, in the living


Medical Dictionary

in vivo

adverb or adjective in vi·vo \ in-ˈvē-(ˌ)vō \

medical Definition of in vivo

1 :in the living body of a plant or animal
  • in vivo synthesis of DNA
  • microorganisms are not ordinarily destroyed in vivo by bacteriostatic drugs
  • Journal of the American Medical Association
2 :in a real-life situation
  • observing a patient's behavior in vivo

Seen and Heard

What made you want to look up in vivo? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

to conform or adhere

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one-green-toy-robot-amidst-many-red-toy-robots
  • Which of these words does not mean "nonsense"?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!