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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

Their discovery - of the structure and function of deoxyribonucleic acid or DNA - ranks alongside those of Mendel and Darwin in its significance to modern science.

From BBC • Nov. 7, 2025

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

DNA is, of course, an abbreviation for deoxyribonucleic acid, a molecule that codes genetic information in all living organisms.

From Salon • Jul. 3, 2021

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

From "Cosmos" by Carl Sagan