uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
How to pronounce atomic in American English
uh·TAH·muhk
Start here
Americans pronounce atomic as uh-TAH-muhk (/əˈtɑmək/). Stress falls on the second syllable — keep everything else short and quick. You'll hear it in sentences like "Quantum mechanics studies the behavior of particles at the atomic level".
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Sound by sound
Every sound in "atomic".
3 syllables, 6 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
t/t/
Touch the tip or front edge of your tongue to the roof of your mouth just behind your teeth. Keep your jaw relaxed. Stop the air, then release with a puff.
ah/ɑ/
Relax your lips and drop your jaw significantly. The tongue tip lightly touches behind the bottom front teeth and the back part of the tongue presses down a little to create more dark space in the back of the mouth.
m/m/
Press your lips together. Air flows through your nose. Vocal cords vibrate.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
k/k/
Raise the back of your tongue to touch the soft palate (velum). Stop the air, then release.
In real conversation
Hear "atomic" 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
Releasing the final consonant with a puff of air.
In "atomic", the "k" is not released — the articulators get into position but hold without the burst of air. Air stops but there's no release burst — the articulators hold position.
atomic→uh·TAH·muhk
02
Stressing the wrong syllable.
Stress falls on the second syllable, not the others. Stretch TAH — keep everything else short and quick.
UH·tah·MUHK→uh·TAH·muhk
03
Pronouncing the first 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.
UH·TAH·muhk→uh·TAH·muhk
Questions
Questions people ask about this.
How is "atomic" stressed in American English?
Stress falls on the second syllable — say "TAH" with a longer, fuller vowel and keep every other syllable short and quick. The respell "uh-TAH-muhk" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the first syllable in "atomic" 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 "uh-TAH-muhk" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "atomic" 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 "uh-TAH-muhk" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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