5 syllables: Tu, ber, cu, lo, sis. Stress on lo.
tuh-bur-kyuh-LOH-sis
/təˌbɝkjəˈloʊsɪs/
Tuberculosis is pronounced tuh-bur-kyuh-LOH-sis (/təˌbɝkjəˈloʊsɪs/). It has five syllables (Tu-ber-cu-lo-sis), with the stress on "lo". Tuberculosis is a contagious disease caused by the bacterium Mycobacterium tuberculosis, primarily affecting the lungs but capable of attacking other organs. It develops slowly and can persist asymptomatically; treatment is long and complex. The term is often encountered in medical contexts, public health discussions, and epidemiology literature.
nounTuberculosis is a contagious disease caused by the bacterium Mycobacterium tuberculosis, primarily affecting the lungs but capable of attacking other organs. It develops slowly and can persist asymptomatically; treatment is long and complex. The term is often encountered in medical contexts, public health discussions, and epidemiology literature.
How to Pronounce Tuberculosis
"The patient was diagnosed with tuberculosis after several persistent coughs and chest X-rays."
"Public health officials outlined strategies to prevent the spread of tuberculosis in high-risk communities."
"Tuberculosis treatment requires a multi-drug regimen over several months."
You say /ˌtuː.bɚ.kjuːˈloʊ.sɪs/ in many accents, with an initial “tu” or “tju” sound, a schwa in the second syllable, a visible /kj/ cluster before -u-, and the primary stress on the -lo- or -loʊ- syllable depending on dialect. Break it into tu-ber-cu-lo-sis, with clear /t/ and flowing /ju/ or /juː/ after the consonant cluster. In British English you might hear /ˌtjuːˈbɜː.kjʊˌləʊ.sɪs/ or /ˌtjuːˈbɜː.kjəˌləʊ.sɪs/. Audio resources include medical pronunciation tutorials and dictionary audio keys.
Common errors include flattening /juː/ into a short /u/ like 'tube-ber-ko-losis' or misplacing the stress on the -ber- or -lo- syllables. Another frequent error is pronouncing /kj/ as a simple /k/ or /g/ instead of the /kj/ blend. To fix: emphasize the /t/ onset, preserve the /juː/ or /jʊ/ after /t/, pronounce the /kj/ as a /kj/ sequence, and place primary stress on the /loʊ/ portion. Practice by chunking: tu-ber-cu-lo-sis and working through slower to natural pace.
In US English, you’ll generally hear /tuːˌbɜːrkjəˈloʊsɪs/ with rhotic /ɜːr/ and clearer r-sound; UK often uses /tjuːˌbɜː.kjuːˈləʊ.sɪs/ with non-rhotic tendencies on some syllables and a clearer /ʊ/ in -u-; Australian tends to be closer to UK but with flatter vowel qualities, a more centralized schwa in unstressed vowels, and variable /r/ realization. The arrangement K/J blends remain essential: /kj/ before -l-/, and the final -sis as /sɪs/.
Three main challenges: a) the /kj/ cluster in the middle (the 'cu' sound after -ber-); b) the multi-syllable structure with a stress pattern that shifts over dialects; c) final -sis often reduces to a quick /sɪs/ that can drift toward /zɪz/ in rapid speech. To master: practice the /kj/ sequence explicitly, keep the chain tight in the middle syllables, and rehearse with slower tempo before speeding up; listen to native references to hear where the stress lands.
A useful tip is to chunk the word into phonetic blocks: tu-ber-cue-lo-sis (approximately) with attention to the /kj/ transition: the “cue” sound is not a hard /k/ but a /kj/ blend moving into the /l/ of lo. Place the primary stress around the lo-sis portion. Visualize the sequence as a clock: 1-2-3-4-5 syllables, with the peak at the 3rd or 4th syllable depending on dialect. Use dictionary audio to anchor the exact realization in your target accent.
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Tuberculosis derives from the Medieval Latin tuberculosus, itself from Latin tuberculum meaning ‘a small swelling, bump, or nodule,’ related to tuber ‘lump.’ The term was popularized in the 18th and 19th centuries as medical science described lung lesions characteristic of the disease. The root tuber- (Latin) connotes a lump or swelling, while -culosis is a suffix from -osis indicating a condition or disease. In English, tuberculosis emerged as a formal medical label in the 1800s as clinicians identified tubercular lesions, later identifying the specific bacterium cause in the 1880s (Lister and Koch era). The shorthand TB gained traction in public health discourse in the 20th century, while the full term remains common in clinical literature. The pronunciation stabilized regionally in English over the last century, with syllable structure TB-er-cu-lo-sis reflecting a three-to-four-stressed pattern depending on dialect. First known use in English citations appears in medical textbooks and journals from the late 19th century onward, paralleling advances in bacteriology and imaging techniques. Overall, the word encapsulates a long history of clinical observation, microbiology, and public health response to a storied infectious disease.
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Words that rhyme with "Tuberculosis"
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