How to Pronounce Tomosynthesis
Definition, meaning, and phonetic spelling
Tomosynthesis Pronunciation
toh-moh-SIN-theh-sis
Stressed syllable in ALL CAPS · hyphens separate syllables
Syllable Breakdown
toh
moh
SIN
stress here
theh
sis
5 syllables
What is Tomosynthesis?
An advanced X-ray imaging technique that takes multiple images from different angles and combines them into a series of thin, three-dimensional "slices" of tissue, providing much greater detail than a standard flat X-ray. It is widely used in breast imaging (3D mammography) to improve the detection of tumors that might be hidden on a standard two-dimensional mammogram.
Questions About Tomosynthesis
How do you pronounce tomosynthesis?
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Tomosynthesis is pronounced toh-moh-SIN-theh-sis. The stress falls on the third syllable, which sounds like "SIN" (rhymes with "pin"). Say it slowly at first: toh-moh-SIN-theh-sis, with the loudest emphasis on that middle "SIN" part.
What are the syllables in tomosynthesis?
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Tomosynthesis breaks into five syllables: to-mo-syn-the-sis. It's a longer word, so taking it one piece at a time makes it easier to say and remember.
What is the most common mistake when saying tomosynthesis?
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The most common mistake is stressing the wrong syllable—people often say toh-MOH-sin-theh-sis or toh-moh-sin-THEE-sis. Remember: the stress belongs on the third syllable, the "SIN" part, not on "moh" or "thee."
What do the word parts of tomosynthesis mean?
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Tomosynthesis comes from two Greek roots: "tomo" means "slice" or "cut," and "synthesis" means "putting together." Together, the word literally means "putting slices together," which is exactly what the technology does—it creates thin sliced images that are combined to show detail.
What is tomosynthesis in plain English?
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Tomosynthesis is an advanced type of X-ray imaging that takes pictures from many different angles and stacks them together to create a 3D picture. Think of it like taking multiple photos of an object from all sides, then layering them to see inside—much clearer than just one flat photo.
What is the short form or abbreviation for tomosynthesis?
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Tomosynthesis is sometimes shortened to "tomo" (pronounced TOH-moh) in casual medical speech. When used in breast imaging, it's often called "3D mammography" or "digital breast tomosynthesis" (DBT), which people pronounce letter-by-letter: D-B-T.
What are related words that share the same root as tomosynthesis?
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Other medical words sharing the "tomo" root include tomography (pronounced tuh-MAH-gruh-fee), which is the general imaging technique, and CT scan, which stands for computed tomography. All of these words involve taking "slices" or "cuts" of the body to see inside.
Can you use tomosynthesis in a sentence?
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Here's an example: "The radiologist used tomosynthesis to get a three-dimensional view of the tissue." The word is a noun that describes the imaging technique itself, so you'd use it when talking about what type of scan or image someone is referring to.

