4 syllables: frac, tion, a, tion. Stress on a.
frak-shuh-NAY-shuhn
/fɹækʃənˈeɪʃən/
fractionation is pronounced frak-shuh-NAY-shuhn (/fɹækʃənˈeɪʃən/). It has four syllables (frac-tion-a-tion), with the stress on "a". Fractionation refers to the process of dividing something into smaller parts or components, often used in chemistry, medicine, or signal processing to separate or categorize elements. It denotes a method of dividing a complex whole into distinct portions for analysis or use. The term can also describe the act or result of such division in a systematic, typically technical, context.
Fractionation refers to the process of dividing something into smaller parts or components, often used in chemistry, medicine, or signal processing to separate or categorize elements. It denotes a method of dividing a complex whole into distinct portions for analysis or use. The term can also describe the act or result of such division in a systematic, typically technical, context.
"Gas chromatography relies on fractionation to separate mixtures into individual components."
"In radiotherapy, fractionation distributes the total dose into smaller doses to spare healthy tissue."
"The fractionation of a compound can reveal its constituent functional groups and their interactions."
Say /ˌfrækˌʃəˈneɪ.ʃən/ (US) or /ˌfrækˈʃəˈneɪ.ʃən/ (UK). Start with ‘frac’ as in fraction, then ‘-tion’ as ‘shun’ with a light secondary stress on the first half: frac-tion-ation. The nucleus in the second syllable is a schwa in many varieties: /ˈfræk.ʃəˌneɪ.ʃən/. Pay attention to the long vowel in -neɪ- under stress. It’s a four-syllable word: FRAC-tion-ation with a subtle lift on the -neɪ-.”,
Mistakes often include misplacing primary stress (placing it on the wrong syllable) and compressing the two vowels in -tion to a quick ‘shən’ without the proper /neɪ/ sequence. Another pitfall is pronouncing the middle /ə/ as a full vowel or mispronouncing /fræk/ as /frækt/ due to blending. To correct: place primary stress on the -tion- or -na- segment depending on dialect (US often on neɪ), ensure the /fræ/ is crisp, render -tion as /ʃən/ or /ʃn̩/ with a clear /neɪ/ in the middle, and keep the r-coloring in rhotic accents.”,
In US English, you’ll often hear ˌfrækˌʃəˈneɪʃən with a rhotic r and a clear /neɪ/ in the third syllable, sometimes with a reduced middle vowel. UK speakers tend to place stress on the second syllable or keep a flatter rhythm, with a non-rhotic r, so /ˌfrækˈʃəˈneɪ.ʃən/. Australian English preserves rhoticity less prominently and may feature a slightly more centralized middle vowel /ə/ and broader diphthongs. The key is the middle /neɪ/ sequence and how you articulate -tion as /ʃən/; practice by alternating with near-minimal pairs to feel the rhythm.”,
The difficulty comes from sequencing a long, multi-syllabic word with three distinct phonetic targets: a crisp initial /fræ/ cluster, a tense mid /neɪ/ vowel cluster, and a soft, reduced final /ʃən/. The secondary stress placement and the mild reduction of the middle vowel require precise timing. Also, in fast speech the /ɪ/ in -ation can blend with the preceding /ə/ or /neɪ/, making it sound like /neɪʃn/ if not careful. Focus on segmenting the three parts clearly at slower speeds.”,
A distinctive feature is the mid-segment /neɪ/ as a prominent diphthong in many accents, contrasted with a relatively reduced final -ation. You’ll often hear a noticeable secondary stress before the main nucleus, which can create a subtle rhythm shift: frac-TION-ation. Paying special attention to the /ʃ/ onset of -tion and ensuring the /neɪ/ peak is clear helps prevent slurring. Also, the final /ən/ can vary toward /n̩/ syllabic n in fast speech.
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Fractionation comes from the noun fraction, which derives from Latin fractio, fractiōnis, meaning a breaking or a broken part, from the verb frangere, to break. The suffix -ation forms nouns indicating an action or process. The sense of breaking something into fractions or components led to scientific uses by the 19th century, especially in chemistry and pharmacology, where separating mixtures into fractions became essential for purification and analysis. Over time, the term broadened to disciplines like physics and engineering, where systematic division of signals, doses, or materials into defined fractions is common. The earliest attestations leverage the Latin root in medieval and early modern scientific texts, but the current specialized etymology aligns with late 1800s to early 1900s expansion of analytical techniques. First known use in English appears in technical contexts describing chemical fractional distillation and later in chromatography and radiotherapy contexts as fractional dosing evolved. The word now spans many fields, always implying a deliberate, methodical division into discrete, analyzable parts.
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Words that rhyme with "fractionation"
-ion sounds
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