2 syllables: Sys, tole. Stress on Sys.
SIS-tohl
/ˈsɪstoʊl/
Systole is pronounced SIS-tohl (/ˈsɪstoʊl/). It has two syllables (Sys-tole), with the stress on "Sys". Systole is a medical term referring to the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries. It is contrasted with diastole, the relaxation phase. The word is used in clinical descriptions, anatomy, and physiology contexts to describe the timing and mechanics of cardiac cycles.
nounSystole is a medical term referring to the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries. It is contrasted with diastole, the relaxation phase. The word is used in clinical descriptions, anatomy, and physiology contexts to describe the timing and mechanics of cardiac cycles.
How to Pronounce Systole
"During systole, the left ventricle ejects blood into the aorta."
"The clinician noted an abnormal systolic murmur upon auscultation."
"Systole duration can vary with heart rate and age."
Pronounce it as SYS-tole, with the primary stress on the first syllable (ˈsɪ) and a secondary stress on the third syllable in some medical pronunciations (ˌliː). In IPA US/UK, say ˈsɪ.stəˌliː. The first vowel is a short 'i' as in sit, the middle is a schwa-like 'stuh' sound, and the final 'ole' sounds like 'lee' in many chairs of medical diction. You’ll want your tongue briefly rise toward the alveolar ridge for the 's' and then relax into a clear 't' plus 'l' followed by a long 'ee' vowel. For accuracy, ensure the final syllable is elongated slightly: -liː.
Common errors include over-pronouncing the second syllable as a full 'toh' rather than a reduced 'tə' and misplacing stress by shifting to SYS-toh-lee or SY-stoh-lee. Another frequent issue is blending the final 'le' into a hard 'l' sound instead of a long 'lee' vowel (ːi). To correct: keep the middle syllable as a quick, neutral schwa (tə) and make the final -le a long 'ee' (liː); practice the transition from t to l with a light touch of the tongue to avoid an intrusive vowel.
In US English, you’ll hear ˈsɪ.stoʊ.li or ˈsɪ.stə.li with a clear 'to' or 'tə' middle; the final vowel tends to be a long 'ee' (liː). UK English often places a slightly crisper 't' and may reduce the middle vowel to a schwa (ˈsɪ.stə.li) with less emphasis on the final vowel. Australian English also tends to a non-rhotic or lightly rhotic pattern but the vowel quality is similar to US, with a long final 'lee' (liː). The main divergences are rhotacization and vowel length in the middle and final syllables.
Two main challenges: the unstressed middle syllable (tə) requires a quick, reduced vowel that can be hard to hear in fast speech, and the final -le often lengthens into a 'lee' that can blur with surrounding vowels. Additionally, the 'st' cluster can tempt speakers to hyphenate or truncate, but smooth coordination is needed: s -(ɪ) - st - ə - liː, with the t and l reaching positions without a strong vowel in between. Practicing the transition between 'st' and 'l' helps avoid slurring or misplacing the stress.
No letters are strictly silent in standard pronunciation. The difficulty lies in the subtle shifts: ensure the middle syllable uses a reduced vowel (tə) and the final -le is pronounced as 'lee' (liː) rather than a quick 'əl' or 'l' alone. The initial 'Sys-' must be crisp with a clear 's' and 'ɪ' quality. Emphasize the long final vowel and the precise articulation from alveolar to lateral sounds without an extra vowel.
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US differences: often pronounce as ˈsɪ.stə.liː, with a clear final 'ee' and rhotic r absence; non-rhotic tendencies may reduce vowels slightly. UK differences: may have a slightly crisper 't' and flatter middle vowel, with a near-schwa in the middle, final 'lee' still present. AU differences: generally closer to US in vowel quality but with a more centralized middle vowel and a softly pronounced final 'lee'; the first syllable remains strong. Focus on mouth positions: for US, keep tongue behind the upper front teeth, lips relaxed; UK tends to a shorter vowel in the first syllable; AU often a slightly longer final vowel. IPA references: US ˈsɪ.stə.liː, UK ˈsɪ.stə.liː, AU ˈsɪ.stə.liː.
Systole comes from the Greek word systolein, meaning 'to pull together' or 'to contract.' The root syn- means 'together' and solē helps convey 'pulling together' in a muscular sense. The term entered medical usage in the 18th and 19th centuries as anatomy and physiology advanced and clinicians sought precise language to describe the cardiac cycle. Early descriptions distinguished systole as the active phase of blood ejection, contrasting with diastole, the filling phase. Over time, the word became standardized in medical literature and curricula, particularly in cardiology, where accurate terminology aids in diagnosing conditions like systolic heart failure or systolic murmurs. The pronunciation anglicized in English speakers generally preserves a stressed first syllable: SYS-tole, though some medical texts retain a more Latin-influenced emphasis on -tole as a separate syllable. First known use in medical literature traces to foundational anatomy works in the 1700s–1800s, aligning with the broader codification of the cardiac cycle in physiology.
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Words that rhyme with "Systole"
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