How to Pronounce Moyamoya Disease
Definition, meaning, and phonetic spelling
Moyamoya Disease Pronunciation
moh-yah-MOH-yah dih-ZEEZ
Stressed syllable in ALL CAPS · hyphens separate syllables
Syllable Breakdown
moh
yah
MOH
stress here
yah dih
ZEEZ
stress here
5 syllables
What is Moyamoya Disease?
A rare, progressive cerebrovascular disorder caused by blocked arteries at the base of the brain, causing the development of tiny collateral vessels that look like a "puff of smoke" on imaging. It causes strokes and TIAs, particularly in children.
Questions About Moyamoya Disease
How do you pronounce 'Moyamoya Disease'?
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Moyamoya Disease is pronounced moh-yah-MOH-yah dih-ZEEZ. The stress falls on the third syllable—the second "MOH"—so you say it a bit louder and longer than the other parts. The word "disease" sounds like dih-ZEEZ, with the stress on the second syllable.
Why do people sometimes mispronounce this word?
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Many people stress the first syllable (MOH-yah-moh-yah) instead of the third, or they say it too fast and blend the "moh-yah" sounds together. The key is to say each "moh-yah" clearly and slowly, then emphasize the second "MOH" sound.
How do you break 'Moyamoya' into syllables?
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Moyamoya breaks into four syllables: moh-yah-moh-yah. Each syllable gets equal weight when you say it slowly, but remember that the third syllable (moh) gets the main stress when you speak at normal speed.
What does the word 'Moyamoya' actually mean?
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Moyamoya is a Japanese term that means "puff of smoke." Doctors use this name because the tiny blood vessels that form in this condition look like a wispy cloud of smoke when they're seen on brain imaging.
Is there a short way to say or write 'Moyamoya Disease'?
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Doctors sometimes just call it "Moyamoya" (pronounced moh-yah-MOH-yah) without saying "disease." You may also see it abbreviated as MMD in medical writing, though the full name is more common in everyday conversation.
What's a simple way to remember how to say this word?
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Think of it as two identical sounds repeated: "moh-yah" twice. Say them like you're speaking to a small child: moh-yah, moh-yah. Then remember to stress the second pair—the second "MOH"—and you'll have it right.
How would you use 'Moyamoya Disease' in a sentence?
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Here's an example: "The neurologist explained that Moyamoya Disease got its name because the abnormal blood vessels look like a puff of smoke on the scan." This shows both how to say the term and why it has that particular name.

