b/b/
Press your lips together, add vocal cord vibration, then release.
How to pronounce biotechnology in American English
bahy·oh·tehk·NAH·luh·jee
Start here
Americans pronounce biotechnology as bahy-oh-tehk-NAH-luh-jee (/ˌbaɪoʊɾɛkˈnɑlədʒi/). In "biotechnology", 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. It comes out as BAHY·oh·tehk·NAH·luh·jee. Stress falls on the fourth syllable — keep everything else short and quick. You'll hear it in sentences like "She is interested in the field of biotechnology and its applications" or "Biotechnology advances are leading to revolutionary medical treatments" — more examples below.
Now you try.
Record yourself saying "biotechnology" and play it back. The mic stays on your device — nothing's uploaded.
Sound by sound
Every sound in "biotechnology".
6 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.
oh/oʊ/
Start with your mouth slightly open, then close your jaw slightly as your lips round. Shift your tongue back slightly, then stretch the back up.
t/t/
FlapQuickly bounce the front of your tongue against the roof of your mouth. Don't stop the airflow — just a quick tap.
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.
k/k/
Raise the back of your tongue to touch the soft palate (velum). Stop the air, then release.
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.
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.
l/l/
Place the tip of your tongue against the alveolar ridge just behind your top front teeth, the same contact point as /t/, /d/, and /n/. The difference is what happens to the air: for /l/, you let it flow continuously around the <em>sides</em> of the tongue (that's why /l/ is called a lateral). Turn your voice on the whole time. Lips stay relaxed, no rounding or flaring. For the Dark L variant at the end of a syllable, also pull the back of the tongue up and back toward the soft palate.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
j/dʒ/
Touch the front of your tongue to the roof of your mouth, then release into a 'zh' position. Add vocal cord vibration.
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 "biotechnology" in the wild.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
"Biotechnology advances are leading to revolutionary medical treatments."
bahy·oh·tehk·NAH·luh·jee uhd·VAN·suhz er LEE·duhng tuh reh·vuh·LOO·shuh·nair·ee MEH·duh·kuhl TREET·muhnts
"She is interested in the field of biotechnology and its applications."
shee ihz IHN·truh·stuhd ihn dhuh FEELD uhv bahy·oh·tehk·NAH·luh·jee and ihts a·pluh·KAY·shuhnz
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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 "biotechnology", 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.
bahy-oh-tehk-NAH-luh-jee→BAHY·oh·tehk·NAH·luh·jee
02
Releasing the final consonant with a puff of air.
In "biotechnology", 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.
biotechnology→BAHY·oh·tehk·NAH·luh·jee
03
Stressing the wrong syllable.
Stress falls on the fourth syllable, not the others. Stretch NAH — keep everything else short and quick.
BAHY·OH·TEHK·nah·LUH·JEE→BAHY·oh·tehk·NAH·luh·jee
04
Pronouncing the unstressed syllable too fully.
Don't pronounce the fourth syllable too fully. The unstressed syllable reduces to a schwa — the lazy "uh" sound — in casual speech.
bahy·oh·tehk·NAH·LUH·jee→BAHY·oh·tehk·NAH·luh·jee
Questions
Questions people ask about this.
How is "biotechnology" stressed in American English?
Stress falls on the fourth syllable — say "NAH" with a longer, fuller vowel and keep every other syllable short and quick. The respell "bahy-oh-tehk-NAH-luh-jee" 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 "biotechnology"?
In American English, when /t/ sits between two vowels with the second one unstressed, it turns into a quick D-like flap. So "biotechnology" sounds closer to "bahy-oh-tehk-NAH-luh-jee" 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 fifth syllable in "biotechnology" 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 "bahy-oh-tehk-NAH-luh-jee" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "biotechnology" 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 "bahy-oh-tehk-NAH-luh-jee" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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