4 syllables: Al, do, stero, ne. Stress on stero.
awl-DOH-stir-ohn
/ɔlˈdoʊstɪroʊn/
Aldosterone is pronounced awl-DOH-stir-ohn (/ɔlˈdoʊstɪroʊn/). It has four syllables (Al-do-stero-ne), with the stress on "stero". Aldosterone is a mineralocorticoid steroid hormone produced by the adrenal cortex that regulates sodium and potassium balance and, consequently, blood pressure and fluid balance. It acts on the kidneys to promote sodium reabsorption and potassium excretion, with effects on extracellular fluid volume. First identified in the 1950s, its precise synthesis and action help maintain electrolyte homeostasis and cardiovascular health.
nounAldosterone is a mineralocorticoid steroid hormone produced by the adrenal cortex that regulates sodium and potassium balance and, consequently, blood pressure and fluid balance. It acts on the kidneys to promote sodium reabsorption and potassium excretion, with effects on extracellular fluid volume. First identified in the 1950s, its precise synthesis and action help maintain electrolyte homeostasis and cardiovascular health.
"The patient’s condition involved disrupted aldosterone production, leading to electrolyte imbalance."
"Researchers study how aldosterone signaling affects renal sodium reabsorption."
"Low aldosterone levels can contribute to hypotension and dehydration."
Pronunciation: al-DOOR-stuh-ron. IPA US: ˌɔːl.dɒˈstɛr.oʊn; UK: ˌɔːl.dɒˈstɪə.rɒn; AU: ˌɔːl.dɒˈstɪən. Emphasize the second syllable (stero- component) with a clear 'ster' and a long final 'one' or 'on' depending on accent. Start with a steady 'al' sound, then stress the middle 'DOOR' or 'DOR' depending on dialect, and finish with a crisp -stone/-ston- sound. Mouth position: lips neutral to slightly rounded for the /ɔː/; tongue high-mid for /dɒˈst/; final syllable relaxed with a pure schwa or short 'ə' before the nasal.
Common mistakes include flattening the stressed syllable, leading to al-DO-les- or al-DAW-stə-ron. Another frequent error is misplacing the stress on the third syllable, saying al-dor-STE-ron. To correct: keep primary stress on the second syllable after the initial 'al' and ensure the 'ster' segment is crisp; pronounce the final 'one' as /oʊn/ (US) or /ɒn/ (UK), avoiding a silent or clipped final vowel.
US typically rhymes final -one with /oʊn/, US /ˌɔːl.dɒˈstɛr.oʊn/. UK often uses /ˌɔːl.dɒˈstɪə.rɒn/ or /-ɒn/ with less emphasis on /r/ in non-rhotic speech. Australian tends toward /ˌɔːl.dɒˈstɪə.rən/ with a slightly more rounded vowel in the final syllable and can reduce the final /n/ lightly. The r-coloring is often weaker in UK/AU than US, and vowel quality in /ɔː/ and /ɒ/ varies; listening for the middle 'ster' and the final '-one' helps navigate differences.
Difficulties stem from the multi-syllabic structure, long vowel sounds, and the combination of 'ld' and 'st' consonant clusters. The second syllable carries primary stress, which can be easy to miss when quickly spoken. The final -one is often realized as a tense vowel followed by a nasal, which varies by accent. Practicing with slow enunciation of 'al-DOOR-stuh-ron' and listening for the -ster- and final -one can help lock in accurate pronunciation.
Does the word ever reduce the middle consonant cluster in fast speech? In careful speech, you’ll say al-DOOR-stuh-ron with clear /d/ and /st/ sequences; in rapid medical discussions, you may hear a slightly lighter /st/ or a syllable merge like al-DOOR-stə-rən in casual dictation. Focus on maintaining the integrity of the /d/ and /st/ together and keeping the final nasal clearly heard.
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Aldosterone derives from two components: the steroid nucleus -steroid and a prefix related to the mineralocorticoid class, paired with the suffix -one indicating a ketone structure common in steroid chemistry. The root alde- in hormonal naming is unrelated to aldehyde chemistry in this context; instead, it reflects historical naming conventions tied to steroid structure. The term aldosterone was coined in the mid-20th century as researchers identified this mineralocorticoid produced by the adrenal cortex. It blends Latin-root naming traditions (ald- from the adrenal gland) with chemical suffixes that mark its steroidal, ketone-containing framework. Early work in the 1950s–1960s linked aldosterone to sodium retention and blood pressure regulation, culminating in a clearer separation from cortisol and other corticosteroids. Over time, the word has become a standard term in physiology and pharmacology, appearing in textbooks, medical literature, and clinical guidelines worldwide, with first widely cited usage in research from the 1950s onward.
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Words that rhyme with "Aldosterone"
-one sounds
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