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.
How to pronounce deforestation in American English
dee·for·uh·STAY·shuhn
Start here
Americans pronounce deforestation as dee-for-uh-STAY-shuhn (/diˌfɔrəˈsteɪʃən/). Stress falls on the fourth syllable — keep everything else short and quick. You'll hear it in sentences like "He is researching the effects of deforestation on soil erosion" or "Deforestation rates have decreased due to international pressure" — more examples below.
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Record yourself saying "deforestation" and play it back. The mic stays on your device — nothing's uploaded.
Sound by sound
Every sound in "deforestation".
5 syllables, 11 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
ee/i/
Pull the corners of your lips back slightly. Arch the middle-front of your tongue high toward the roof of the mouth.
f/f/
Lift your bottom lip to touch the very bottom of your top front teeth. Blow air through this contact point without voicing.
or/ɔr/
Start with the 'aw' jaw drop and rounded lips. Pull the tongue back and up while keeping the lips rounded for the R.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
s/s/
Place your tongue tip near the roof of your mouth behind your top teeth. Push air through the narrow gap. No voicing.
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.
ay/eɪ/
Start with your jaw slightly open and the front of your tongue forward and slightly up. Glide upward, your jaw closes a little more and your tongue arches higher toward the roof of the mouth.
sh/ʃ/
Flare your lips and lift the mid-front tongue close to the roof of your mouth. Blow air through without voicing.
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.
In real conversation
Hear "deforestation" in the wild.
Click any sentence to see the full breakdown — every link, every reduction, every flap-T.
"Conservation efforts are protecting the rainforest from deforestation."
kahn·ser·VAY·shuhn EH·ferts er pruh·TEHK·tuhng dhuh RAYN·for·uhst fruhm dee·for·uh·STAY·shuhn
"Deforestation rates have decreased due to international pressure."
dee·for·uh·STAY·shuhn RAYTS huhv duh·KREEST DOO tuh ihn·ter·NA·shuh·nuhl PREH·sher
"He is researching the effects of deforestation on soil erosion."
hee ihz ruh·SUR·chuhng dhee uh·FEHKTS uhv dee·for·uh·STAY·shuhn ahn SOYL uh·ROH·zhuhn
"Deforestation creates habitat loss for potential thousands of species."
dee·for·uh·STAY·shuhn kree·AYTS HA·buh·tat LAHS fer puh·TEHN·shuhl THOW·zuhndz uhv SPEE·sheez
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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
Inserting a vowel before the syllabic consonant.
In "deforestation", 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.
deforestation→dee·FOR·uh·STAY·shuhn
02
Stressing the wrong syllable.
Stress falls on the fourth syllable, not the others. Stretch STAY — keep everything else short and quick.
DEE·FOR·UH·stay·SHUHN→dee·FOR·uh·STAY·shuhn
03
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.
dee·for·UH·STAY·shuhn→dee·FOR·uh·STAY·shuhn
04
Pronouncing the "R" too clearly.
Americans use a relaxed retroflex R — the tongue curls back rather than rolling. The R is one continuous sound with the vowel before it, not two separate sounds.
… (no R)→… r (curl the tongue)
Questions
Questions people ask about this.
How is "deforestation" stressed in American English?
Stress falls on the fourth syllable — say "STAY" with a longer, fuller vowel and keep every other syllable short and quick. The respell "dee-for-uh-STAY-shuhn" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the third syllable in "deforestation" 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 "dee-for-uh-STAY-shuhn" shows the reduced form so you can hear the casual rhythm directly.
How do I pronounce the R in "deforestation"?
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 "deforestation" 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 "dee-for-uh-STAY-shuhn" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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