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 density in American English
DEHN·suh·tee
Start here
Americans pronounce density as DEHN-suh-tee (/ˈdɛnsəɾi/). In "density", the "t" between vowels sounds like a quick "d" — the tongue briefly taps the ridge behind the upper teeth. This is called the Flap T, the kind of sound shift that makes everyday speech feel effortless. So instead of tEHN·suh·tee, you get DEHN·suh·tee. Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "Lifting weights builds muscle mass and bone density" or "The density of the object determines if it will float or sink" — more examples below.
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Sound by sound
Every sound in "density".
3 syllables, 7 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
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.
s/s/
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
t/t/
FlapQuickly bounce the front of your tongue against the roof of your mouth. Don't stop the airflow — just a quick tap.
ee/i/
Pull the corners of your lips back slightly. Arch the middle-front of your tongue high toward the roof of the mouth.
In real conversation
Hear "density" in the wild.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
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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
Saying a hard "T" in the middle.
In "density", the "t" between vowels sounds like a quick "d" — the tongue briefly taps the ridge behind the upper teeth. /t/ or /d/ becomes a quick tap [ɾ] — sounds like a soft D. The tongue briefly taps the ridge behind the upper teeth.
tEHN-suh-tee→DEHN·suh·tee
02
Stressing the wrong syllable.
Stress falls on the first syllable, not the others. Stretch DEHN — keep everything else short and quick.
dehn·SUH·TEE→DEHN·suh·tee
03
Pronouncing the unstressed syllable too fully.
Don't pronounce the first syllable too fully. The unstressed syllable reduces to a schwa — the lazy "uh" sound — in casual speech.
DEHN·SUH·tee→DEHN·suh·tee
Questions
Questions people ask about this.
How is "density" stressed in American English?
Stress falls on the first syllable — say "DEHN" with a longer, fuller vowel and keep every other syllable short and quick. The respell "DEHN-suh-tee" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why doesn't the T sound like a T in "density"?
In American English, when /t/ sits between two vowels with the second one unstressed, it turns into a quick D-like flap. So "density" sounds closer to "DEHN-suh-tee" than to a crisp-T pronunciation. This is the flap-T rule, one of the most distinctive sounds of casual American speech.
Why does the second syllable in "density" reduce to "uh"?
Unstressed syllables in American English collapse toward a schwa — a lazy, neutral "uh" sound. The full vowel is what textbooks teach, but in actual American speech every unstressed vowel reduces. The respell "DEHN-suh-tee" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "density" 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 "DEHN-suh-tee" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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