ribonucleic acid

play
noun ri·bo·nu·cle·ic acid \ ˌrī-bō-nu̇-ˈklē-ik- , -nyu̇- , -ˌklā- \

Definition of ribonucleic acid

:rna

First Known Use of ribonucleic acid

1930


Medical Dictionary

ribonucleic acid

play
noun ri·bo·nu·cle·ic acid \ ˌrī-bō-n(y)u̇-ˌklē-ik- , -ˌklā- \

medical Definition of ribonucleic acid

:rna

Learn More about ribonucleic acid


Seen and Heard

What made you want to look up ribonucleic acid? 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

a strongly worded attack

Get Word of the Day daily email!

Test Your Vocabulary

Merriam-Webster's New Words Quiz—Fall 2017 Edition!

  • young-plant-shoots
  • Which of the following is a new sense of the word bunny?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Bee Cubed

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!