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deoxyribonucleic acid

American  
[dee-ok-si-rahy-boh-noo-klee-ik, -nyoo-, -ok-si-rahy-] / diˈɒk sɪˈraɪ boʊ nuˈkli ɪk, -nyu-, -ˌɒk sɪˌraɪ- /

noun

Genetics.
  1. DNA.


deoxyribonucleic acid British  
/ diːˌɒksɪˌraɪbəʊnjuːˈkleɪɪk /

noun

  1. the full name for DNA

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

deoxyribonucleic acid Scientific  
/ dē-ŏk′sē-rī′bō-no̅o̅-klēĭk /
  1. See DNA


Etymology

Origin of deoxyribonucleic acid

First recorded in 1930–35; deoxy- + ribonucleic acid

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Coincidentally, Oswald Avery had only the year before shown that a relatively simple compound — deoxyribonucleic acid, DNA — must play a role in transferring genetic information.

From Los Angeles Times • Nov. 7, 2025

These include long stable chains like those in deoxyribonucleic acid, better known as DNA, sometimes called the building blocks of life, which are capable of storming information that allow organisms to develop, replicate and evolve.

From Salon • Dec. 20, 2023

In living things, deoxyribonucleic acid, more commonly known as DNA, carries biological information that instructs the cells of organisms on how to form, grow, and reproduce.

From Science Daily • Sep. 27, 2023

Rosalind Franklin played an integral role in the discovery of the structure of deoxyribonucleic acid.

From BBC • Feb. 7, 2019

This was the earliest ancestor of deoxyribonucleic acid, DNA, the master molecule of life on Earth.

From "Cosmos" by Carl Sagan

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