3 syllables: Cat, he, ter. Stress on Cat.
KATH-uh-tur
/ˈkæθətɚ/
Catheter is pronounced KATH-uh-tur (/ˈkæθətɚ/). It has three syllables (Cat-he-ter), with the stress on "Cat". Catheter is a slender tubular medical device inserted into a body cavity or vessel to withdraw or administer fluids. It’s commonly used to drain urine or deliver medications, and comes in various types and sizes. The word itself emphasizes its function and medical context, and is pronounced with two syllables in standard usage.
nounCatheter is a slender tubular medical device inserted into a body cavity or vessel to withdraw or administer fluids. It’s commonly used to drain urine or deliver medications, and comes in various types and sizes. The word itself emphasizes its function and medical context, and is pronounced with two syllables in standard usage.
How to Pronounce Catheter
"The nurse attached a urinary catheter after the surgery."
"A catheter kit includes a sterile lubricant and drainage bag."
"They used a catheter in the lab to infuse contrast dye."
US: /ˈkæ θɪ tər/ or /ˈkæ θə tər/ with the first syllable stressed. UK: /ˈkæθɪtə/ (often quick, with a reduced final -ər). AU: /ˈkæθɪtə/ similar to UK but with a slightly flatter final schwa. Emphasize the first syllable and clearly pronounce the “th” as /θ/; ensure the middle vowel is a short /ɪ/ and the final is an unstressed schwa or /ə/.
Common errors include misplacing the stress (saying ca-THER instead of CA-ther), pronouncing the middle consonant as /ð/ rather than /θ/, and turning the final /ər/ into a hard /ɜːr/ in non-rhotic accents. Correct by stressing the first syllable, articulating the /θ/ as a voiceless interdental fricative, and finishing with a short, relaxed /ə/ or /ər/ depending on your dialect.
US speakers typically pronounce it as /ˈkæθɪtər/ with a prominent /æ/ in the first syllable and a clear /ər/ at the end; rhotic American /ɹ/ is perceived in careful speech. UK pronunciation /ˈkæθɪtə/ leans toward a lighter, shorter final schwa and less rhoticity in rapid speech. AU tends to mirror UK but often with a slightly longer vowel in the first syllable and a more relaxed final vowel. Across all, the /θ/ remains a defining feature.
The difficulty centers on the /θ/ sound, which many speakers replace with /t/ or /f/, and on achieving a clean sequence /θɪt/ without inserting extra vowels or blending the syllables. The combination of initial aspiration, medial /ɪ/ and the unstressed final /ə/ or /ər/ can feel unfamiliar, especially when saying it quickly in clinical phrases like 'urinary catheterization.' Practice breaking it into clear, slow segments helps build accuracy.
Yes—its /θ/ is a hallmark; speakers often mispronounce with /t/ or /f/. The two-letter sequence -ther in US and UK variants produces /θɪt/ or /θət/ rather than a straightforward 'ther' cluster. Emphasize dental fricative /θ/ followed by a short /ɪ/ and an open, relaxed final vowel. Consistent practice with slow tempo and careful articulation will yield the correct rhythm: CA-ther, not CAT-her.
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Catheter derives from the Late Latin catheter, from Greek katheter (kaththér) meaning ‘to convey down’ or ‘to carry.’ The term entered English in medical contexts in the 16th-17th centuries, originally signifying a device used to convey fluids into or out of body spaces. The root kath- comes from kata- ‘down’ and -pherein ‘to bear or carry,’ reflecting its function as a conduit. Over time, the term broadened to include specific devices such as urinary catheters, vascular catheters, and Foley catheters, with design variations adapting to anatomical routes and medical purposes. In modern usage, catheter usually designates a flexible tube with a lumen for fluid transfer, while “catheterization” describes the act of inserting it. First known uses appear in European medical texts of the 1600s, aligning with the broader growth of modern clinical instrumentation. The word’s Latin-Greek lineage remains evident in contemporary English, maintaining the core idea of “carrying fluids down into a body space.”
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💡 These words have similar meanings to "Catheter" and can often be used interchangeably.
🔄 These words have opposite meanings to "Catheter" and show contrast in usage.
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Words that rhyme with "Catheter"
-ter sounds
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