h/h/
Push a stream of air from your throat through your open mouth. No tongue or lip contact.
How to pronounce hubble in American English
HUH·buhl
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Americans pronounce hubble as HUH-buhl (/ˈhʌbəl/). The L in "hubble" is a dark L — the back of the tongue rises toward the soft palate, adding a small "uh" quality before the L. This is called the Dark L vs Light L, a hallmark of natural-sounding American speech. It comes out as HUH·buhl. Stress falls on the first syllable — keep everything else short and quick. You'll hear it in sentences like "The Hubble space telescope revolutionized our understanding of space".
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Sound by sound
Every sound in "hubble".
2 syllables, 5 sounds. Tap a syllable to jump to its row, then explore each sound's mouth shape and how it's made.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
b/b/
Press your lips together, add vocal cord vibration, then release.
uh/ʌ/
Relax your lips, jaw, and tongue completely. Drop your jaw slightly and keep the tongue neutral.
l/l/
DarkKeep the tongue tip down and pull the back of the tongue up toward the throat. The 'dark' sound comes from the back.
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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
Treating every L the same.
The L in "hubble" is a dark L — the back of the tongue rises toward the soft palate, adding a small "uh" quality before the L. Dark L adds a small schwa-like "uh" before the L. The back of the tongue lifts toward the soft palate.
hubble→HUH·buhl
02
Stressing the wrong syllable.
Stress falls on the first syllable, not the others. Stretch HUH — keep everything else short and quick.
huh·BUHL→HUH·buhl
03
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.
HUH·BUHL→HUH·buhl
Questions
Questions people ask about this.
How is "hubble" stressed in American English?
Stress falls on the first syllable — say "HUH" with a longer, fuller vowel and keep every other syllable short and quick. The respell "HUH-buhl" marks the stressed syllable in capitals so the rhythm is easy to read at a glance.
Why does the second syllable in "hubble" 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 "HUH-buhl" shows the reduced form so you can hear the casual rhythm directly.
Is the American pronunciation of "hubble" 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 "HUH-buhl" reflects the casual American form; British dictionaries typically print a citation form with crisper consonants and different vowel choices.
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