SIV

play
noun \ˌes-ˌī-ˈvē\

Definition of SIV

  1. :  a lentivirus (species Simian immunodeficiency virus) that causes a disease in monkeys similar to AIDS and that is closely related to HIV-2

First Known Use of siv

1987


Medical Dictionary

SIV

play
noun \ˌes-ˌī-ˈvē\

Medical Definition of SIV

  1. :  a retrovirus of the genus Lentivirus (species Simian immunodeficiency virus) that causes a disease in monkeys similar to AIDS and that is closely related to HIV-2 of humans—called also simian immunodeficiency virus


Seen and Heard

What made you want to look up SIV? 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 bring about or cause (something)

Get Word of the Day daily email!

Test Your Vocabulary

The Emoji Quiz

  • emoji-the-quiz
  • What phase of the moon is this: 🌖 ?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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!