3 syllables: Phyllo, quin, one. Stress on one.
fil-oh-KWEYE-nohn
/fɪl oʊ ˈkwaɪ noʊn/
Phylloquinone is pronounced fil-oh-KWEYE-nohn (/fɪl oʊ ˈkwaɪ noʊn/). It has three syllables (Phyllo-quin-one), with the stress on "one". Phylloquinone is a fat-soluble vitamin K1 compound found in leafy greens and vegetable oils, essential for blood clotting and bone health. It is the all-trans form of vitamin K, produced by photosynthetic organisms and later purified for nutritional supplements. In biology and nutrition contexts, it is often discussed alongside dietary sources, metabolism, and recommended intakes.
nounPhylloquinone is a fat-soluble vitamin K1 compound found in leafy greens and vegetable oils, essential for blood clotting and bone health. It is the all-trans form of vitamin K, produced by photosynthetic organisms and later purified for nutritional supplements. In biology and nutrition contexts, it is often discussed alongside dietary sources, metabolism, and recommended intakes.
- You’ll often misplace stress or flatten the /ˈkwaɪ/ into /kwa/; fix by practicing the /kwaɪ/ diphthong as a single tight sequence and ensure the primary stress sits on the first syllable group. - Another error is inserting an extra vowel between /k/ and /w/ or pronouncing /ɪ/ as a long i; keep /ˈfɪ.lə/ with a short, quick /ɪ/ and a light /lə/ before the /kwaɪ/ block. - Finally, ending with /noʊn/ can drift into /noʊ/ or /nən/; practice final nasal as a clean /noh-n/ with a crisp stop and clear coda.
"You should include phylloquinone-rich foods like spinach and kale in your diet."
"The study compared phylloquinone levels in different vegetable oils."
"Phylloquinone intake is important for maintaining healthy bone density."
Break it as /ˈfɪ.ləˌkwaɪ.noʊn/. Stress falls on the first syllable group: PHY-llo-quinone, with a secondary emphasis around the /kwaɪ/ sequence. Start with a light, unstressed /ˈfɪ/. Then /lə/ sounds like “luh” quickly, followed by /ˈkwaɪ/ as “kwhy” with the glide vowel, and end with /noʊn/ as “noh-n.” Tip: keep the /kw/ cluster tight and avoid inserting an extra vowel between /k/ and /w/. Audio cues: listen to “phyllo” and “quinone” separately, then blend.
Common errors: (1) Misplacing stress, saying phyllo-QUI-none; (2) Mispronouncing the /ɪ/ in the first syllable as a full /iː/ or over-enunciating the -phyllo- portion; (3) Slurring the /kwaɪ/ into /kwa/ or breaking the /kwai/ into separate sounds. Corrections: place primary stress on the first syllable with a quick /ˈfɪ/ then a light /lə/ and a solid /ˈkwaɪ/ cluster; keep /noʊn/ as a single final syllable. Practice with minimal pairs to lock the /kwai/ sequence.
US tends to reduce the second syllable slightly and maintain a clear /ɪ/ in /ˈfɪ.lə/. UK often has a slightly more clipped /ˈfɪ.ləˌkwaɪˈnəʊn/ with a closer /ə/ in the second syllable and a longer final /əʊn/. Australian tends to have a rounded /ə/ in the middle and a broad /ˈfɪ.ləˌkwaɪ.nəʊn/; rhoticity is limited, so the final /n/ is pronounced without linking to any following vowel. Keep the /kwaɪ/ intact in all. IPA references: US /ˈfɪ.loʊˌkwaɪˈnoʊn/, UK /ˈfɪ.ləˌkwaɪ.nəʊn/, AU /ˈfɪ.ləˌkwaɪ.nəʊn/.
It combines a plant-derived prefix /fɪˈl/ and a rare chemical suffix /ˌkwaɪˈnoʊn/. The tricky parts are the /fɪ/ vs /fɪl/ transition, the /ˈkwaɪ/ cluster after a light schwa, and the final /noʊn/ with the long /oʊ/ vowel. Stress pattern is not entirely intuitive because of the headword airiness and the non-intuitive spelling. Practicing the /kwai/ sequence and final /noʊn/ in rapid but precise rhythm helps reduce hesitation.
The term combines a Greek-derived leaf-prefix phyllo- with a technical quinone suffix. The /ˈfɪ.lə/ component contrasts with the harder /kwai/ cluster that follows, and the final /noʊn/ demands a clean gliding /oʊ/ rather than a short vowel. This mix of a light unstressed first syllable, a mid-stress + strong diphthong /kwaɪ/, and a closed nasal end creates a multi-point articulatory challenge and requires precise timing for natural fluency.
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- US: emphasize /ˈfɪ.lə/ with a light /ə/ and a distinct /kwaɪ/; rhoticity is default, but the final /noʊn/ lands as /noʊn/ not /noʊən/. - UK: slightly crisper /ˈfɪ.lə/ vowel, and /ˈkwaɪ.nəʊn/ with a closer middle syllable /lə/ reduced to /lə/; final /nəʊn/ features a pure /əʊ/. - AU: similar to UK, but tend to maintain a more relaxed jaw for /ˌkwaɪ/ and a broader /əʊ/; ensure non-rhotic linking and clear final /n/.
Phylloquinone derives from the Greek phyllon meaning leaf, reflecting its abundance in green leafy vegetables, combined with the neo-Latin suffix -quinone indicating a quinone compound. The term phyllo is a combining form from Greek phyllon (leaf), used in botany and biochemistry to signal plant-derived substances. Quinone refers to a class of aromatic compounds characterized by a fully conjugated ring system with a pair of ketone substitutions. The compound was first isolated and characterized in the mid-20th century as researchers linked dietary vitamin K to coagulation function. The name phylloquinone appeared as scientists distinguished K1 from menaquinones (K2–K5) during the 1950s–1960s period of vitamin research, reflecting the plant-derived source and the quinone functional group. Its discovery and naming paralleled advances in vitamin chemistry and nutrition science, with first practical recognition appearing in biochemical literature around the time vitamin K’s essential role in blood clotting was confirmed. Over successive decades, the term became standardized in nutritional guidelines, laboratory assays, and supplement labeling, underscoring the botanical origin and chemical identity of this form of vitamin K.
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Words that rhyme with "Phylloquinone"
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