m/m/
Press your lips together. Air flows through your nose. Vocal cords vibrate.
How to pronounce mitochondrion in American English
mahy·tuh·KAHN·dree·uhn
Start here
Americans pronounce mitochondrion as mahy-tuh-KAHN-dree-uhn (/ˌmaɪɾəˈkɑndriən/). In "mitochondrion", 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, a small move that separates 'classroom' from 'native'. So instead of mahy·tuh·KAHN·tree·uhn, you get MAHY·tuh·KAHN·dree·uhn. Stress falls on the third syllable — keep everything else short and quick. You'll hear it in sentences like "The mitochondrion is known as the powerhouse of the cell".
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Sound by sound
Every sound in "mitochondrion".
5 syllables, 12 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.
t/t/
FlapQuickly bounce the front of your tongue against the roof of your mouth. Don't stop the airflow — just a quick tap.
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.
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.
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.
d/d/
PalatalizedTongue pulls back slightly from the D position, blending into R. Sounds close to 'jr'.
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.
ee/i/
Pull the corners of your lips back slightly. Arch the middle-front of your tongue high toward the roof of the mouth.
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.
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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 "mitochondrion", 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.
mahy-tuh-KAHN-tree-uhn→MAHY·tuh·KAHN·dree·uhn
02
Saying a clean "dr" instead of a "j" sound.
In "mitochondrion", the "dr" cluster blends into a "jr" sound — a natural American English pronunciation. /d/ shifts toward /dʒ/ ("j"), so DR sounds like "jr".
mahy-tuh-KAHN-dree-uhn→MAHY·tuh·KAHN·dree·uhn
03
Inserting a vowel before the syllabic consonant.
In "mitochondrion", 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.
mitochondrion→MAHY·tuh·KAHN·dree·uhn
04
Stressing the wrong syllable.
Stress falls on the third syllable, not the others. Stretch KAHN — keep everything else short and quick.
MAHY·TUH·kahn·DREE·UHN→MAHY·tuh·KAHN·dree·uhn
Questions
Questions people ask about this.
How is "mitochondrion" stressed in American English?
Stress falls on the third syllable — say "KAHN" with a longer, fuller vowel and keep every other syllable short and quick. The respell "mahy-tuh-KAHN-dree-uhn" 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 "mitochondrion"?
In American English, when /t/ sits between two vowels with the second one unstressed, it turns into a quick D-like flap. So "mitochondrion" sounds closer to "mahy-tuh-KAHN-dree-uhn" 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 "mitochondrion" 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 "mahy-tuh-KAHN-dree-uhn" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "mitochondrion" 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 "mahy-tuh-KAHN-dree-uhn" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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