5 syllables: A, za, thi, o, prine. Stress on thi.
az-uh-THEE-uh-preyen
/æzəˈθiəpraɪn/
Azathioprine is pronounced az-uh-THEE-uh-preyen (/æzəˈθiəpraɪn/). It has five syllables (A-za-thi-o-prine), with the stress on "thi". Azathioprine is a purine analogue immunosuppressive medication used to prevent organ transplant rejection and treat autoimmune diseases. It inhibits DNA synthesis in rapidly dividing cells, reducing immune activity. The term is a chemical name rather than a common noun, and correct pronunciation helps clinicians communicate dosing and indications clearly.
nounAzathioprine is a purine analogue immunosuppressive medication used to prevent organ transplant rejection and treat autoimmune diseases. It inhibits DNA synthesis in rapidly dividing cells, reducing immune activity. The term is a chemical name rather than a common noun, and correct pronunciation helps clinicians communicate dosing and indications clearly.
"The patient was started on azathioprine to manage their autoimmune myasthenia symptoms."
"Azathioprine dosing must be adjusted for kidney function and monitored for hematologic toxicity."
"During transplantation, azathioprine is part of the immunosuppressive regimen to prevent rejection."
Azathioprine is pronounced a-zath-ee-oh-preen. Stress falls on the 'priːn' portion, with the sequence a-zath-ee-oh-prine. IPA: US: ˌæz.əˈθi.əˌprin; UK/AU often ˌæz.əˈθi.əˌpriːn. Remember the 'tha' is pronounced as a soft 'th' (θ) and the final '-prine' sounds like 'preen'.
Common errors: misplacing the stress (saying az-a-thi-o-prine), mispronouncing the 'th' as f or t, and conflating the ending with '-een' in some British pronunciations. Corrections: keep stress on the 'priːn' or 'preen' section, use the unvoiced dental fricative θ for the 'thi' part, and ensure the final 'ine' sounds like 'een' as in 'green' depending on accent.
In US English you typically hear ˌæz.əˈθi.əˌprin with a mid-central vowel in the second syllable and a lighter final 'in'. UK and AU often extend the final vowel to a longer 'priːn' and may shift to ˌæz.əˈθi.əˌpriːn with clearer vowel length in the final syllable. The 'th' remains θ in all, but rhoticity can influence the preceding r-colored vowels subtly in some speakers.
It combines several tricky features: the 'za' prefix with a 'z' and a soft 'zh' quality; the dental fricative 'θ' in 'thi'; the sequence of unstressed and stressed syllables; and a final long nasal word ending '-prine' that can sound unfamiliar. Practice focusing on the 'θi' cluster, ensure the 'a' is a lax schwa in the first syllable, and keep the final 'prine' crisp without palatalizing the vowel.
A unique aspect is that the 'thi' segment uses a dental fricative θ, not a 't' or 'th' as in 'this'. Also, some speakers reduce the first vowel to a schwa in rapid speech, which can blur syllable boundaries. Focus on segmenting as a three-beat word: a-zath-, i.e., ', then -oh-, then -prine, ensuring the 'oh' never becomes a separate vowel sound leakage.
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Azathioprine derives from the combination of 'azo-' (a chemical prefix) and 'thio-' and the purine-like root 'azathiop—' that signals a chemical analogue of mercaptopurine. The compound belongs to the azathioprine/6-mercaptopurine class of purine analogues developed in the mid-20th century as immunosuppressants. The name indicates its structural relation to thio- and azoxy-like groups within a heterocyclic purine framework. First used in medical literature in the 1950s as researchers sought more targeted immunosuppression with reduced cytotoxicity, azathioprine gained prominence in transplant medicine by the 1960s as part of combination regimens; its spelling and pronunciation became standardized in pharmacology by late 20th century pharmacopoeias. The word’s syllabic pattern reflects Greek-derived chemical nomenclature conventions common in pharmaceutical names, with stress typically on the 'o' or 'pri' depending on the language's syllabic rhythm. The evolution of usage tracks from a research chemical to an established therapeutic agent, with widespread recognition in clinical guidelines and medical dictionaries.
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Words that rhyme with "Azathioprine"
-ine sounds
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