4 syllables: Chlorth, al, i, done. Stress on al.
klawr-THAL-id-ohn
/klɔɹˈθælɪdoʊn/
Chlorthalidone is pronounced klawr-THAL-id-ohn (/klɔɹˈθælɪdoʊn/). It has four syllables (Chlorth-al-i-done), with the stress on "al". Chlorthalidone is a long-acting thiazide-like diuretic used to treat hypertension and edema. It promotes diuresis by inhibiting sodium reabsorption in the distal convoluted tubule, helping reduce blood pressure and fluid buildup. The term designates both the compound and its medicinal class, commonly encountered in pharmacology and clinical contexts.
nounChlorthalidone is a long-acting thiazide-like diuretic used to treat hypertension and edema. It promotes diuresis by inhibiting sodium reabsorption in the distal convoluted tubule, helping reduce blood pressure and fluid buildup. The term designates both the compound and its medicinal class, commonly encountered in pharmacology and clinical contexts.
"The patient was prescribed chlorthalidone to manage chronic hypertension."
"During the trial, chlorthalidone showed a significant diuretic effect over several weeks."
"She was advised to monitor electrolyte levels while taking chlorthalidone."
Chlorthalidone is pronounced /ˌklɔrˈθælɪˌdoʊn/ (US) or /ˌklɔːˈθælɪdˌəʊn/ (UK). Primary stress falls on the second syllable, with an additional weaker stress on the 'do' ending. Begin with a clear 'klor' (rhymes with 'more' but with a 'k-l' blend), then 'thall' as in 'thal,' followed by 'i-done' where 'done' sounds like 'dohn.' For listeners, place your tongue near the alveolar ridge for the 'th' and relax the jaw for the final 'one' sound. Audio references: you can compare with pronunciations on medical dictionaries or Forvo entries for 'chlorthalidone'.
Common errors include misplacing the 'th' as a hard 't' or 'd' sound, and mis-stressing the syllables: say /klɔrˈθælɪˌdoʊn/ with primary stress on 'thal' and secondary on 'do'. Another frequent slip is pronouncing 'chloro' as 'clo-ro' or dropping the 'h' after the 't' leading to 'klor-tal-idone.' To correct, emphasize the 'th' as a voiceless interdental fricative and keep the 'done' syllable tightly enunciated, ending with a clear 'n' rather than a nasalized vowel. Practice with minimal pairs and audio models to cement the rhythm.
In US English you’ll hear /ˌklɔrˈθælɪˌdoʊn/ with rhoticity, clear 'r' after the first syllable. UK/GA often deliver /ˌklɔːˈθælɪdˌəʊn/, with a longer 'o' in 'clo-' and less pronounced rhoticity in some dialects, and the final 'one' sounding more like 'on' or 'own' depending on the accent. Australian tends toward /ˌklɔːˈθælɪdaʊn/ with a more fronted vowel in 'thal' and a closer final diphthong 'aʊn'. Mouth posture shifts subtly: US tends to a slightly tighter 'oʊ', UK AU general populations may reduce the final syllable slightly. Note that individual speaker variation can blur these boundaries.
The difficulty stems from the combination of uncommon consonant clusters and a multisyllabic name with a rarely used 'chl' cluster, a strong 'th' interdental fricative, and a long final 'done' or 'dohn' ending. The 'thal' syllable can be confused with 'thal-' as in 'thalassemia' or misplacing the primary stress. The final 'one' can be mispronounced as 'own' or 'on' depending on the speaker. Mastery comes from practicing the exact IPA sequence and sustaining the final nasal 'n' without truncation.
Tip: lock in the 'chl' as a single, crisp onset /kl/ with an audible 'l' after the 'k'—don’t reduce it to 'cl-.' Keep the 'th' as a true interdental fricative /θ/ rather than a 't' or 'd' substitute. The 'i' in 'li' is a short vowel /ɪ/, not a long 'ee' sound. Stress the 'thal' syllable strongly: /klɔrˈθælɪˌdoʊn/. Practicing with a model audio will help you feel the timing: 3 consonants, 2 vowels, 2 consonant clusters, and a final diphthong.
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Chlorthalidone derives from chemical naming conventions: 'chloro-' from chlorine indicating a chloro-substituent, 'thalidone' reflecting a thiazide-like diuretic structure developed in the mid-20th century. The root 'chloro-' signals the presence of chlorine atoms in the aromatic ring, while 'thalidone' traces to a class/root referring to thiazide-like diuretics. The compound was developed as part of pharmaceutical efforts to create long-acting diuretics with favorable antihypertensive profiles. First used in clinical contexts in the late 1960s to early 1970s, chlorthalidone gained prominence as a potent, long-duration diuretic for chronic hypertension management, with substantial research on outcomes and electrolyte balance guiding modern usage.
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Words that rhyme with "Chlorthalidone"
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