Definition and meaning of English word "DNA"
DNA
/ˌdiːɛnˈeɪ/
Meaning
NounDeoxyribonucleic acid; a nucleic acid molecule that carries the genetic instructions used in the growth, development, and reproduction of all known living organisms, typically arranged in a double helix.
How to use
The term 'DNA' is widely used in scientific and informal contexts, often referring to the molecule that carries genetic information in living organisms. A common nuance is using 'DNA' as an uncountable noun, as in 'The DNA of the organism was analyzed.'
🇬🇧 English
DNA
Example
Forensic investigators extracted DNA from the evidence found at the crime scene.
Your personal vocabulary
🦊 Use this word in a live AI conversationSynonyms
Common phrases
- DNA sequencing— DNA sequencing
- DNA replication— DNA replication
- DNA analysis— DNA analysis
More Science & Research words
Frequency rank: #1327 in English
Learn them all! 🚀
Master the 1000 most common English words with smart explanations, audio pronunciation, and spaced repetition.
Start Learning For Free →No sign-up required
Frequently Asked Questions
What does the English word "DNA" mean?▼
The English word "DNA" means "DNA" in English.
How do you pronounce the English word "DNA"?▼
You can hear the correct audio pronunciation of the word "DNA" by clicking the play button next to the word at the top of this page.
Can I see an example sentence with "DNA"?▼
Yes, here is a practical example: "Forensic investigators extracted DNA from the evidence found at the crime scene." (which translates as "DNA").
Related reading
Duolingo vs Anki vs Apps: Comparing Language Learning Methods in 2026
An honest comparison of popular language learning approaches: gamified apps, SRS flashcards, textbooks, tutors, and immersion. Pros, cons, and who each is best for.
Read →MethodWhat Is Spaced Repetition? The SM-2 Algorithm Explained Simply
Spaced repetition is the single most effective method for memorizing vocabulary. Learn how the forgetting curve works, how the SM-2 algorithm calculates review intervals, and why 20 minutes a day beats 2 hours of cramming.
Read →