/ˌɹipɹəˈdus/
Say it backReproduce means to produce again or to make a copy or imitation of something. It can refer to biological replication, the act of recreating a sound or image, or generating new instances from existing material. In biology, it denotes the process by which organisms generate offspring, while in media or art it can mean to create a replica. The term spans both scientific and everyday contexts, often implying fidelity to an original.
"Scientists succeeded in reproducing the experiment under the same conditions."
"The printer can reproduce high-resolution photos with remarkable accuracy."
"The child learned to reproduce the teacher’s handwriting with careful practice."
Pronounce as /rɪˈproʊduːs/ (US) or /riːprəˈdjuːs/ (UK). The main stress falls on the second syllable: re-PRO-duce. Start with a short, lax “ri” (lip relaxed, tongue close to the ridge), then the stressed “pro” with a long /oʊ/ vowel, and finish with /duːs/. In Australian English you’ll hear /ˈriːprəˌdjuːs/ with a similar rhythm but with a slightly more rounded /ə/ in the second syllable. Listen for the “duce” ending as a clear /duːs/, not /djuː/ in many contexts.
Common errors include (1) stressing the wrong syllable—many say re-PRO-duce instead of the correct re-pro-duce in contexts where the verb is not emphasizing the result, and (2) mispronouncing the final /s/ as /z/ in rapid speech or linking, which softens the ending. Another mistake is treating the middle vowel as /ɒ/ or /ɑː/ rather than the proper /oʊ/ in US or /ə/ in UK. Correction: practice the exact vowel shapes: /ɪ/ for the first syllable, /ˈproʊ/ with a rounded mid-back vowel, and /duːs/ with a long, tense /uː/. Use minimal pairs to reinforce the /oʊ/ and /uː/ vowels and the syllable–stress pattern.
In US English, it's /rɪˈproʊduːs/ with a rhotic r and a diphthong /oʊ/ in the stressed syllable. UK English uses /riˈprəːdjuːs/ with a reduced first vowel and a /juː/ in the final syllable, and the stress often shifts slightly to the second syllable in connected speech. Australian English typically mirrors /ˈriːprəˌdjuːs/ with a long first vowel in some dialects and a more centralized /ə/ in unstressed syllables. Focus on the /oʊ/ vs /ə/ quality, the rhoticity difference, and the /juː/ onset after the /d/.
The difficulty often lies in the sequence of sounds: a stressed diphthong /oʊ/ followed by /duːs/ where the /d/ ties closely to the following /uː/. Speakers may slide the /duː/ into /djuː/ or misplace the primary stress, especially in rapid speech. Additionally, non-rhotic UK speech may reduce the /ə/ in the second syllable, altering rhythm. Practice with clear separation of syllables and precise articulation of /proʊ/ and /duːs/ to lock in the rhythm.
A unique feature is the consecutive consonant cluster /prd/ bridging the second and third syllables, requiring smooth linking without vowel intrusion in fast speech. The /pr/ onset in the second syllable blends with the /oʊ/ stress vowel, and then the /duːs/ ends with a clear final /s/. Mastery involves keeping the /r/ or /ɹ/ quality consistent in US and Australian ears and maintaining the long /uː/ in /duːs/ without reducing it.
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Reproduce comes from Middle English reproduce, from Latin reproducere, which is composed of re- (again) and reproducere (to produce again). The root is producere, to bring forth or bear, from pro- (forward) and ducere (to lead, bring). The sense evolved in stages: first in Latin as “to bring forth again,” then into Old French as reproduce, and into English by the 14th–15th centuries with similar senses of producing again or copying. Over time, nuance expanded to include biological reproduction, mechanical or artistic copying, and the generation of new instances that resemble the original. The term gained scientific grounding during the Enlightenment when biological replication and heredity were formalized, later widening to metaphorical and technological uses such as reproducing sounds or images in media and data contexts. First known uses in English appear in scientific and legal writings referencing duplication and restoration of forms, gradually standardizing to the general sense of “to make a copy or to bear offspring.”
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Words that rhyme with "reproduce"
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