SINCE 1828
dictionary
thesaurus

ddI

noun, often all capitalized
Save Word
\ ˌdē-(ˌ)dē-ˈī How to pronounce ddI (audio) \

Definition of ddI

: a synthetic nucleoside C10H12N4O3 having properties and uses similar to those of ddC

— called also didanosine

First Known Use of ddI

1988, in the meaning defined above

History and Etymology for ddI

di- + deoxy + inosine, a nucleoside

Learn More About ddI

Dictionary Entries Near ddI

DDE

ddI

DDoS

See More Nearby Entries 

Statistics for ddI

Cite this Entry

“DdI.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ddI. Accessed 7 Jul. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for ddI

ddI

noun, often all capitalized
\ -ˈī How to pronounce ddI (audio) \

Medical Definition of ddI

: a synthetic nucleoside analog C10H12N4O3 having properties and uses similar to those of ddC

— called also didanosine, dideoxyinosine

— see videx

WORD OF THE DAY

inscrutable

Listen to the pronunciation of inscrutable

See Definitions and Examples »

Test Your Vocabulary

Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

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!

Words at Play
Ask the Editors
Word Games