d/d/
Touch the tip of your tongue to the roof of your mouth just behind your teeth. Add vocal cord vibration as you release.
How to pronounce dna in American English
dee·ehn·AY
Start here
Americans pronounce dna as dee-ehn-AY (/ˌdiˌɛnˈeɪ/). Stress falls on the third syllable — keep everything else short and quick. You'll hear it in sentences like "Genetic engineering involves modifying an organism's DNA" or "The forensic unit collected DNA samples from the suspect" — more examples below.
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Sound by sound
Every sound in "dna".
3 syllables, 5 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
ee/i/
Pull the corners of your lips back slightly. Arch the middle-front of your tongue high toward the roof of the mouth.
eh/ɛ/
Drop your jaw moderately. Touch the tongue tip behind the bottom front teeth and lift the mid-front part slightly toward the roof.
n/n/
Touch the tip or front edge of your tongue to the roof of your mouth behind your teeth. Air flows through your nose.
ay/eɪ/
Start with your jaw slightly open and the front of your tongue forward and slightly up. Glide upward, your jaw closes a little more and your tongue arches higher toward the roof of the mouth.
In real conversation
Hear "dna" in the wild.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
"DNA contains the genetic instructions for the development of all living things."
dee·ehn·AY kuhn·TAYNZ dhuh juh·NEH·duhk uhn·STRUHK·shuhnz fer dhuh duh·VEH·luhp·muhnt uhv AHL LIH·vuhng THIHNGZ
"The forensic team analyzed the DNA samples found at the scene."
dhuh fuh·REHN·suhk TEEM A·nuh·lahyzd dhuh dee·ehn·AY SAM·puhlz FOWND uht dhuh SEEN
"The forensic unit collected DNA samples from the suspect."
dhuh fuh·REHN·suhk YOO·nuht kuh·LEHK·tuhd dee·ehn·AY SAM·puhlz fruhm dhuh SUH·spehkt
"Genetic engineering involves modifying an organism's DNA."
juh·NEH·duhk ehn·juh·NEER·uhng uhn·VAHLVZ MAH·duh·fahy·uhng uhn OR·guh·nih·zuhmz dee·ehn·AY
"The human genome project mapped all the genes in human DNA."
dhuh HYOO·muhn JEE·nohm PRAH·jehkt MAPT AHL dhuh JEENZ ihn HYOO·muhn dee·ehn·AY
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Watch out
Common pronunciation mistakes in American English.
The textbook way isn't wrong — it's just not how anyone actually says it.
01
Stressing the wrong syllable.
Stress falls on the third syllable, not the others. Stretch AY — keep everything else short and quick.
DEE·EHN·ay→DEE·EHN·AY
Questions
Questions people ask about this.
How is "dna" stressed in American English?
Stress falls on the third syllable — say "AY" with a longer, fuller vowel and keep every other syllable short and quick. The respell "dee-ehn-AY" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Is the American pronunciation of "dna" different from British English?
American English uses different vowel shapes, a relaxed retroflex R, and connected-speech tricks like flap-T and glottal-stop T that British Received Pronunciation generally avoids. The respell "dee-ehn-AY" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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