inosine

noun
ino·​sine | \ ˈi-nə-ˌsēn How to pronounce inosine (audio) , ˈī-, -sən How to pronounce inosine (audio) \

Definition of inosine

: a nucleoside C10H12N4O5 that is composed of hypoxanthine and ribose, that in the form of its monophosphate is a biosynthetic precursor of both AMP and its guanosine analog, and that binds to adenine, cytosine, or uracil especially in some transfer RNAs — compare poly i entry c

Examples of inosine in a Sentence

Recent Examples on the Web These proteins bind to RNAs and alter their sequence by changing a familiar base known as adenosine into a molecule called inosine. Sara Reardon, Scientific American, 5 Feb. 2020 Although not one of the canonical RNA bases, inosine is read by the cell’s protein-translation machinery as the familiar guanosine. Sara Reardon, Scientific American, 5 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'inosine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of inosine

1911, in the meaning defined above

History and Etymology for inosine

International Scientific Vocabulary inosinic acid (the acid C10H13N4O8P; inosinic, from Greek in-, is sinew + International Scientific Vocabulary -ose entry 2 + -in entry 1 + -ic entry 1) + -ine entry 2

Learn More About inosine

Time Traveler for inosine

Time Traveler

The first known use of inosine was in 1911

See more words from the same year

Dictionary Entries Near inosine

inosilicate

inosine

inositol

See More Nearby Entries 

Statistics for inosine

Cite this Entry

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

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

More Definitions for inosine

inosine

noun
ino·​sine | \ ˈin-ə-ˌsēn How to pronounce inosine (audio) , ˈī-nə- How to pronounce inosine (audio) , -sən \

Medical Definition of inosine

: a crystalline nucleoside C10H12N4O5 that is composed of hypoxanthine and ribose, that in the form of its monophosphate is a biosynthetic precursor of both AMP and its guanosine analog, and that binds to adenine, cytosine, or uracil especially in some transfer RNAs

WORD OF THE DAY

Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
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!