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 semiconductor in American English
seh·mee·kuhn·DUHK·ter
Start here
Americans pronounce semiconductor as seh-mee-kuhn-DUHK-ter (/ˌsɛmikənˈdʌktər/). Stress falls on the fourth syllable — keep everything else short and quick. You'll hear it in sentences like "The semiconductor shortage has affected production across industries".
Now you try.
Record yourself saying "semiconductor" and play it back. The mic stays on your device — nothing's uploaded.
Sound by sound
Every sound in "semiconductor".
5 syllables, 12 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.
m/m/
Press your lips together. Air flows through your nose. Vocal cords vibrate.
ee/i/
Pull the corners of your lips back slightly. Arch the middle-front of your tongue high toward the roof of the mouth.
k/k/
Raise the back of your tongue to touch the soft palate (velum). Stop the air, then release.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
n/n/
SyllabicThe schwa before N disappears — N becomes the vowel of the syllable. Go straight from the previous consonant to N.
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.
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.
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.
er/ər/
Relax your mouth and lift the tongue back and up. Keep the lips neutral.
In real conversation
Hear "semiconductor" 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 "semiconductor", the "t" 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.
semiconductor→SEH·mee·kuhn·DUHK·ter
02
Inserting a vowel before the syllabic consonant.
In "semiconductor", the short unstressed vowel before "n" disappears — the schwa is absorbed and the "n" becomes the syllable nucleus on its own. Schwa is absorbed — consonant becomes the syllable nucleus.
semiconductor→SEH·mee·kuhn·DUHK·ter
03
Stressing the wrong syllable.
Stress falls on the fourth syllable, not the others. Stretch DUHK — keep everything else short and quick.
SEH·MEE·KUHN·duhk·TER→SEH·mee·kuhn·DUHK·ter
04
Pronouncing the unstressed syllable too fully.
Don't pronounce the second syllable too fully. The unstressed syllable reduces to a schwa — the lazy "uh" sound — in casual speech.
seh·mee·KUHN·DUHK·ter→SEH·mee·kuhn·DUHK·ter
Questions
Questions people ask about this.
How is "semiconductor" stressed in American English?
Stress falls on the fourth syllable — say "DUHK" with a longer, fuller vowel and keep every other syllable short and quick. The respell "seh-mee-kuhn-DUHK-ter" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the third syllable in "semiconductor" 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 "seh-mee-kuhn-DUHK-ter" shows the reduced form so you can hear the casual rhythm directly.
How do I pronounce the R in "semiconductor"?
Americans use a relaxed retroflex R: the tongue curls back rather than rolling, and the R is one continuous sound with the vowel before it — not two separate sounds. Don't try to pronounce a separate vowel followed by a separate R. Treat them as a single shape.
Is the American pronunciation of "semiconductor" 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 "seh-mee-kuhn-DUHK-ter" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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