5 syllables: A, ther, o, scler, osis. Stress on scler.
ath-uh-rohs-KLIR-oh-sis
/ˌæθəɹoʊˈsklɪroʊsɪs/
Atherosclerosis is pronounced ath-uh-rohs-KLIR-oh-sis (/ˌæθəɹoʊˈsklɪroʊsɪs/). It has five syllables (A-ther-o-scler-osis), with the stress on "scler". Atherosclerosis is a disease in which plaque builds up inside arteries, narrowing and stiffening them. It develops over years through lipid deposition and inflammatory processes, potentially leading to cardiovascular events. The term combines Greek roots for fatty, porus, and hardening, reflecting its pathology.
nounAtherosclerosis is a disease in which plaque builds up inside arteries, narrowing and stiffening them. It develops over years through lipid deposition and inflammatory processes, potentially leading to cardiovascular events. The term combines Greek roots for fatty, porus, and hardening, reflecting its pathology.
"Her doctor explained that atherosclerosis increases the risk of heart attack and stroke."
"The study focused on how lifestyle changes can slow the progression of atherosclerosis."
"Imaging revealed calcified plaques consistent with advanced atherosclerosis."
Pronounce as /ˌæθəroʊsklɪˈroʊsɪs/ (US) or /ˌæθəroʊsklɪˈrɒsɪs/ (UK). Stress falls on the fourth syllable: a-ther-o-scler-OS-is. Start with /æ/ as in cat, then /θ/ (silent-lip th), /ə/ unstressed schwa, /roʊ/ like 'row', /sklɪ/ cluster 'skl' with short i, and end with /roʊsɪs/ or /rɒsɪs/. Keep the 'scl' cluster tight and avoid adding extra vowels between 's' and 'cl'. Audio reference: consult a medical diction pronunciation video or Forvo entry for
Common errors include dropping the /r/ after /æθ/ or misplacing stress on a-something-scler-osis. People also say 'ath- ero-scler o sis' with an extra vowel, or pronounce /skl/ as /sklə/ breaking the consonant cluster. To correct: keep /æθ/ as a single sound, maintain the /roʊ/ before the /skl/ cluster, and deliver primary stress on the /roʊsɪs/ part. Practicing the sequence a-ther-o-scler-osis with even tempo helps stabilize the rhythm.
In US English you’ll hear /ˌæθəroʊsklɪˈroʊsɪs/ with rhotic /r/. UK and AU accents retain /r/ less prominently after vowels but still maintain /ˈræθəroʊsklɪˈroʊsɪs/ variations; rhoticity is variable in some British dialects, sometimes softening the /r/ and slightly altering vowel qualities in /əroʊ/. AU tends to close vowels slightly and maintain clear /r/ in most educated speech. Overall, the cluster /skl/ remains challenging across accents, but rhythm and vowel length shift subtly with region.
Several factors: a tense, multi-syllabic sequence with a tricky /θ/ in /æθ/ and the dense /skl/ consonant cluster in /sklɪˈroʊsɪs/. The secondary stress falls on the /roʊ/ syllable, which can surprise speakers who expect even distribution. Additionally, the combination of a vowel-heavy start and a fast-med tempo makes it easy to compress sounds or slip into “ath-” or “ather-” mispronunciations. Practice slows the syllable transitions and stabilizes the /r/ and /s/ flows.
There are no silent letters in standard American or British pronunciations of Atherosclerosis. Every syllable carries a phoneme: /æ/ in a-, /θ/ in ath-, /ə/ in er-, /roʊ/ in ro-, /sklɪ/ in sklɪ-, and the final /roʊsɪs/ with /s/ ending. Typical missteps include swallowing or eliding the /r/ or /kl/ cluster; focusing on maintaining the /skl/ cluster and the two primary vowel sounds helps ensure accuracy.
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US: rhotic /r/ is strong; ensure /roʊ/ is rounded and the /r/ is post-alveolar. UK: less pronounced /r/, keep /ə/ as schwa and the /roʊ/ as a clear diphthong; AU: generally rhotic and vowels are similar to US but with slight vowel length variations. IPA references: US /ˌæθəroʊsklɪˈroʊsɪs/, UK /ˌæθəroʊsklɪˈrɒsɪs/, AU /ˌæθəroʊsklɪˈroːsəs/ depending on speaker. Focus on maintaining /skl/ cluster and final /sɪs/.
Atherosclerosis derives from Modern Latin athero- (from Greek athere, meaning gruel or porridge, referencing soft, fatty material in plaques) + sclerosis (from Greek skleros, meaning hard). The first element denotes fatty deposits within arterial walls, while the suffix indicates hardening. The term was popularized in the late 19th and early 20th centuries as pathological science clarified atherosclerosis as a process of lipid-laden plaques causing arterial stenosis. Historically, the concept evolved from autopsy-based observations of fatty degeneration to a nuanced understanding of inflammatory, lipid-driven plaque formation, including calcification. The combined form reflects a union of descriptive Greek roots with Latinized medical terminology used in English-language medical literature since the early 1900s, with standard usage becoming ubiquitous in cardiology and vascular pathology by mid-century. The word has since become a staple in clinical communication and epidemiological discourse about cardiovascular risk.
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Words that rhyme with "Atherosclerosis"
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