ree-AY-juhnt
/ɹiˈeɪdʒənt/
reagent is pronounced ree-AY-juhnt (/ɹiˈeɪdʒənt/). Reagent refers to a substance used in chemical reactions to detect, measure, examine, or produce other substances. It is typically a compound or mixture that actively participates in a reaction, or is used to reveal the presence or quantity of another substance. In practice, reagents are chosen for their chemical reactivity and specificity in analytical procedures.
Reagent refers to a substance used in chemical reactions to detect, measure, examine, or produce other substances. It is typically a compound or mixture that actively participates in a reaction, or is used to reveal the presence or quantity of another substance. In practice, reagents are chosen for their chemical reactivity and specificity in analytical procedures.
"The chemist added a blue pigment as a reagent to indicate a positive result."
"Aqueous reagents were prepared to test the solution’s acidity."
"The laboratory labeled each reagent bottle to prevent cross-contamination."
Pronounced re-A-jent with the primary stress on the second syllable: /riˈeɪ.dʒənt/ (US) or /rɪˈeɪ.dʒənt/ (UK). Break it into re- + a + gent. Start with a clear 'ree' or 'ri' sound, glide into 'ay' (as in 'say'), then the 'jent' sounding like 'jənt' (the 'g' is a soft /dʒ/ akin to 'judge'). In careful speech, ensure the /eɪ/ is a distinct diphthong and the final syllable lands as /dʒənt/. You’ll often hear /riˈiː.dʒənt/ in rapid speech, but the standard is /ˈriː ˈeɪ.dʒənt/ depending on dialect. Audio reference: consult Cambridge/Oxford pronunciations and Forvo entries for native speakers.
Two common errors are misplacing the stress and mispronouncing the /eɪ/ as a short /e/ and softening the /dʒ/ into a /ʒ/ or /j/. To correct: keep stress on the second syllable (re-ˈeɪ.dʒənt); use the long diphthong /eɪ/ rather than /e/; articulate the /dʒ/ clearly as the consonant in 'judge' followed by a schwa and /nt/. Practice with minimal pairs like ‘re-ait’ vs ‘re-AGENT’ and listen to native samples to lock the rhythm.
In US English, you’ll hear /riˈeɪ.dʒənt/ with a rhotic /r/ and a clear /ˈeɪ/ before /dʒ/. UK English tends toward /rɪˈeɪ.dʒənt/ with a less pronounced /r/ and a closer front vowel in non-rhotic positions; the /dʒ/ remains, and stress is on the second syllable. Australian English typically yields /ˈriːˈeɪ.dʒənt/ or /ɹiˈeɪ.dʒənt/, with a slightly longer first vowel and a more centralized /ə/ in the final syllable. Focus on the /eɪ/ diphthong and /dʒ/ onset to maintain consistency across dialects.
The challenge lies in the two-syllable rhythm with a diphthong in the middle and a post-stress schwa-plus-nasal ending. The /eɪ/ diphthong must be distinct and not reduced in fast speech, while the /dʒ/ blends with a light /ə/ before /nt/. Non-native speakers often misplace stress or assimilate the /dʒ/ to /j/ or /ʒ/. Practicing the exact sequence re- + a + gent and listening to native samples helps stabilize the rhythm and pitch.
A useful tip is to think of the word as ‘re-AY-jent’ with strong secondary clarity between the first and second syllables. Keep the mouth slightly open for the /eɪ/ diphthong and lead into the /dʒ/ with the tongue coming up to contact the hard palate. Practice saying ‘ree-AY-juh-nt’ in quick, precise enunciations, then reduce the schwa in careful speech while maintaining the /dʒ/ timing. This helps with both legibility and speed.
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US: rhotic /r/ is pronounced; keep the /r/ onset in /riˈeɪ.dʒənt/. UK: less pronounced rhoticity; the second syllable carries peak stress; /r/ may be smaller or non-rhotic depending on speaker. AU: similar to US but with a more centralized /ə/ in final syllable and slightly longer first vowel; the /dʒ/ remains clearly voiced. Vowel quality: /eɪ/ robust in all, but length and color vary; keep the diphthong dynamic but controlled. Always rely on the IPA anchor /riˈeɪ.dʒənt/ as your reference across dialects.
Reagent comes from Middle French reagent, meaning 'that which is required or demanded' or more specifically 'a thing that causes a reaction'. The term traces to the Latin ars, ‘art’, and re- prefix implying ‘again’ or ‘back’. In chemistry, the word evolved to denote substances that engage in chemical changes or indicate the presence of another substance. The earliest documented English usage appears in the 17th or 18th century when laboratory practices formalized and descriptive terms for reagents became standardized. Over time, usage broadened beyond chemistry to any agent that triggers a result in an experiment or test. The modern sense emphasizes purposeful participation in a reaction or diagnostic indication, rather than mere consumption. Etymology highlights the word’s emphasis on active participation rather than passive presence in reactions.
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Words that rhyme with "reagent"
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