4 syllables: pro, long, a, tion. Stress on a.
/ˌprolɔŋˈeɪʃən/
Say it backProlongation refers to the act or process of lengthening something in time, duration, or extent. In linguistics and speech, it denotes an extended articulation or duration of a sound. The term is often used in medical, musical, or phonetic contexts to describe stretching or prolonging an element beyond its usual length.
"The prolongation of the ceremony caused delays for attendees."
"In music, the prolongation of a note creates a sense of suspense."
"The speech therapist discussed prolongation of the vowel as part of articulation practice."
You pronounce it pro-long-ation with the primary stress on the second syllable: /prəˌlɒnˈeɪʃən/ in UK English and /proʊˌlɔŋˈeɪʃən/ in US English. Break it into four parts: pro- (unstressed), long (stressed), a- (unstressed), -tion (ˈeɪʃən). SIP: pro-LONG-a-tion. Focus on the long vowel /ɒ/ or /ɔː/ in the second syllable, then the secondary stress on -a- before -tion.”,
Common errors include misplacing the secondary stress or reducing the middle syllable. You might say pro-LON-gation with equal stress, or pronounce the final -tion as /tʃən/ instead of /ʃən/. Correct by ensuring primary stress on LONG- (second syllable) and articulating the sequence as /prəˈlɒnˌeɪʃən/ (UK) or /proʊˌlɔːnˈeɪʃən/ (US). Use slow, deliberate articulation for the middle /lɔŋ/ or /lɒŋ/ before the /eɪ/ sound.”,
US pronunciation leans toward /proʊˌlɔŋˈeɪʃən/ with a rhotic, clearer /r/ influence and a longer /oʊ/ before the /lɔŋ/ segment. UK tends to /prəˈlɒnˌeɪʃən/ with a reduced first vowel and clear /ɒ/ in the stressed syllable; non-rhotic rhythm. Australian often maps to /prɒˈlɒŋˌeɪʃən/ or /prəˈlɒŋˌeɪʃən/ with vowel mergers, but tends to keep /lɒŋ/ close to UK in lengthened middle. Focus on the /lɒŋ/ or /lɔŋ/ and the /eɪ/ in the final syllable.”,
It combines a multisyllabic, stress-timed pattern with a long mid syllable and a final affricate-like /ʃən/ quality in some pronunciations. The challenge is sustaining the /lɒŋ/ before the /eɪ/ glide and keeping primary stress on the second syllable—so your mouth has to switch from a fuller mid-mouth posture to a tighter /eɪ/ diphthong quickly. IPA cues: /proˈlɒnˌeɪʃən/ (UK) or /proʊˌlɔŋˈeɪʃən/ (US).
The key is the secondary stress on -a- before the -tion and the transition from the long vowel to the /eɪ/ glide. You’ll want precise mouth repositioning from the velar nasal /ŋ/ into the /eɪ/ diphthong, then finalize with /ʃən/. Practicing the sequence pro-LONG-a-tion helps solidify the rhythm and reduce slurring that hides the syllable boundary.
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Prolongation comes from the prefix pro- (forward, forth) + longus (Latin for long) connected to the verb prolong, meaning to lengthen. The noun-forming suffix -ation indicates a process or action. The English verb prolong appeared in the 15th century borrowed from Old French prolonger, from prolong, which traces back to Latin prolongare (to extend) from pro- (forward) and longa (long). The term evolved to denote both literal extension over time and figurative extension in discourse or duration. In modern usage, prolongation is common across scientific, medical, linguistic, and musical domains, often concerned with maintaining an outcome over an extended period. The word shares its core meaning with related forms like prolong, prolonged, and prolongedness, but prolongation emphasizes the ongoing extension rather than a one-time act.
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💡 These words have similar meanings to "prolongation" and can often be used interchangeably.
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Words that rhyme with "prolongation"
-ion sounds
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