s/s/
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.
How to pronounce seismograph in American English
SAHYZ·muh·graf
Start here
Americans pronounce seismograph as SAHYZ-muh-graf (/ˈsaɪzməˌɡræf/). Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "The seismograph detected tremors from the earthquake".
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Sound by sound
Every sound in "seismograph".
3 syllables, 9 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
ahy/aɪ/
Start with your jaw open wide and your tongue resting low and flat. Glide the front of your tongue up toward the roof of your mouth as your jaw closes halfway.
z/z/
Same position as S, but add vocal cord vibration. Feel the buzz.
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.
g/g/
Raise the back of your tongue to touch the soft palate. Add vocal cord vibration, then release.
r/r/
Curl or bunch your tongue without letting the tip touch the roof of your mouth. Brace the sides of your tongue against your upper back teeth, and round your lips slightly.
a/æ/
Drop the jaw noticeably. Keep the body of the tongue low and forward, and don't let the back of the tongue raise toward the soft palate. Pull the lip corners back slightly, almost a starting smile.
f/f/
Lift your bottom lip to touch the very bottom of your top front teeth. Blow air through this contact point without voicing.
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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 first syllable, not the others. Stretch SAHYZ — keep everything else short and quick.
sahyz·MUH·GRAF→SAHYZ·muh·GRAF
02
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.
SAHYZ·MUH·graf→SAHYZ·muh·GRAF
Questions
Questions people ask about this.
How is "seismograph" stressed in American English?
Stress falls on the first syllable — say "SAHYZ" with a longer, fuller vowel and keep every other syllable short and quick. The respell "SAHYZ-muh-graf" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the second syllable in "seismograph" 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 "SAHYZ-muh-graf" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "seismograph" 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 "SAHYZ-muh-graf" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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