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Comment prononcer « surfactant » en anglais

surfactant se prononce sɜːrˈfæktənt, avec l’accent tonique principal sur la syllabe « FAK ». Écoutez des locuteurs natifs le prononcer dans 106 extraits avec sous-titres synchronisés et repères temporels ci-dessous.

sɜːrˈfæktənt

sur·FAK·tənt

Accent tonique principal : FAK

Accent :
👅Bouche & LanguePratiquer la prononciation

Écoutez des locuteurs natifs dire « surfactant » dans des clips vidéo authentiques

1/106
👅Lab
IPAsɜːrˈfæktənt
Saysur-FAK-tənt
Syllabessur · FAK · tənt
Écouter en contexteUS
14:12
Raccourcis clavier : ← Précédent, → Suivant, R Rejouer • Press L to loop sentence • Space to pause/resume

Linguistic Pronunciation Masterclass: “surfactant”

Phonetic mechanics, syllable architecture, and conversational cadence

sɜːrˈfæktənt

Syllable Architecture & Stress Distribution

Syllable 1Unstressed

sur

Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.

Syllable 2Primary Stress

FAK

Tense long vowel with sustained acoustic resonance.

Syllable 3Unstressed

tənt

Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.

Primary emphasis falls on the second syllable ("FAK"). Raise your pitch and sustain the vowel length on this syllable while relaxing the surrounding syllables.

Common Pronunciation Traps & Learner Mistakes

⚠️ Unstressed Syllable Vowel Reduction (Schwa ⁄ə⁄)

The Trap: Avoid pronouncing every vowel with full acoustic weight. Non-native speakers often over-enunciate unstressed vowels.

How Native Speakers Say It: Only give full vowel clarity to the primary stressed syllable. Relax all unstressed vowels into a neutral, low-energy schwa (⁄ə⁄).

Connected Speech & Natural Conversational Flow

🔗 Consonant-Vowel Linking (Liaison)

When "surfactant" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "surfactant is" sounds like "surfactant-iz").

⏱️ Stress-Timed Rhythm

Maintain the stress-timed rhythm of English: compress unstressed syllables rapidly so the beat of "surfactant" aligns naturally with adjacent words.

Authentic Spoken Quotes from Native Video Context

Verified Transcripts
“Actually there's enough surfactant to make probably ten times that amount of emulsion, because egg yolk is a fabulous surfactant.”
— Harvard UniversityWatch clip
“The frog surfactant, called RSN-2, is a robust bubble builder with the same soapy, dual-sided properties as human-made surfactants.”
— SciShowWatch clip
“effective fire extinguishing agent by using surfactant in a in a formulation okay so why do I tell you”
— YaleCoursesWatch clip
“And surfactant is a substance that is needed to keep your tiny air spaces open”
— TEDx TalksWatch clip
“Surfactant helps remove particles from the surface.”
— MIT OpenCourseWareWatch clip
“ASP stands for alkaline surfactant polymer and that is a relatively It's an old technology that's relatively recently applied.”
— StanfordWatch clip
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IPA:sɜːrˈfæktənt
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Phrase cible :

Actually there's enough surfactant to make probably ten times that amount of emulsion, because egg yolk is a fabulous surfactant.

Écouter en contexte: “surfactant”

106 extraits

The Anglais word “surfactant” is transcribed in the International Phonetic Alphabet (IPA) as sɜːrˈfæktənt (phonetic respelling: sur-FAK-tənt). Phonologically, it consists of 3 syllables (sur · FAK · tənt), with primary lexical stress placed on the 2nd syllable (FAK). Grammatically, “surfactant” functions as a noun. SayItVid indexes 106 authentic Anglais video clips demonstrating how native speakers articulate “surfactant” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from Harvard University, SciShow, YaleCourses.

Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)

  • 🇺🇸 USHarvard University
    Clip #1 · @14:12
    “somebody made nearly a litre of mayo from one yolk. Actually there's enough surfactant to make probably ten times that amount of emulsion, because egg yolk is a fabulous surfactant. that amount of emulsion, because egg yolk is a fabulous surfactant.”
  • 🇺🇸 USSciShow
    Clip #2 · @4:39
    “but the nests can remain stable for another week or so! The frog surfactant, called RSN-2, is a robust bubble builder with the same soapy, dual-sided properties as human-made surfactants. dual-sided properties as human-made surfactants.”
  • 🇺🇸 USYaleCourses
    Clip #3 · @8:29
    “eliminated cfc's um and so no emissions it basically served to make water a more effective fire extinguishing agent by using surfactant in a in a formulation okay so why do I tell you surfactant in a in a formulation okay so why do I tell you”
  • 🇺🇸 USTEDx Talks
    Clip #4 · @1:06
    “produce sufficient amounts of surfactant. And surfactant is a substance that is needed to keep your tiny air spaces open throughout the respiratory cycle. If there is a lack of surfactant, these”
  • 🇺🇸 USMIT OpenCourseWare
    Clip #5 · @23:13
    “in a surfactant. Surfactant helps remove particles from the surface. And he puts it in a megasonic.”

Définition et signification: “surfactant”

Audio
NOUN
  • A surface-active agent, or wetting agent, capable of reducing the surface tension of a liquid; typically organic compounds having a hydrophilic “head” and a hydrophobic “tail”.
  • A lipoprotein in the tissues of the lung that reduces surface tension and permits more efficient gas transport.

Exemples de phrases en contexte (3)

  • “Dr. Khorana added that this is especially true of cleansers that feature surfactants like sodium lauryl sulfate, as this class of ingredients can cause “dryness, irritation and eczema.””
  • “It is conceivable that impairment of surfactant proteins is due to rheological and immunodefensive disorders of testis and epididymis or prostate.”
  • “Actually there's enough surfactant to make probably ten times that amount of emulsion, because egg yolk is a fabulous surfactant.”

Expressions et collocations courantes

fabulous surfactantsecretreting surfactantalkaline surfactantsurfactant polymerenough surfactantfrog surfactant

Prononciation: “surfactant”

Pronunciation:
sur-FAK-tənt
Syllabes:
sur · FAK · tənt
Written Hyphenation:
sur · fac · tant
Accent tonique principal :
FAK
IPA:
sɜːrˈfæktənt
Écouter en contexte
surfactant

Mots qui riment avec “surfactant”

-æktənt
Voir les 1 rimes pour « surfactant »

Mots au son identique (Homophones)

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Aucun homophone exact répertorié pour "surfactant" (⁄sɜːrˈfæktənt⁄).

Questions fréquentes sur « surfactant »

Comment prononcer « surfactant » en anglais ?

« surfactant » se prononce ⁄sɜːrˈfæktənt⁄ (sur-FAK-tənt). Écoutez les extraits vidéo de locuteurs natifs ci-dessus pour l’entendre en situation réelle.

Combien de syllabes compte « surfactant » ?

« surfactant » compte 3 syllabes : sur · FAK · tənt.

Où se trouve l’accent tonique dans « surfactant » ?

L’accent tonique principal dans « surfactant » se trouve sur « FAK ». Repérez bien cette syllabe accentuée dans les vidéos ci-dessus.

Que signifie « surfactant » ?

A surface-active agent, or wetting agent, capable of reducing the surface tension of a liquid; typically organic compounds having a hydrophilic “head” and a hydrophobic “tail”.

Comment écouter « surfactant » dans des phrases réelles ?

Cette page contient 106 exemples vidéo de « surfactant » avec sous-titres synchronisés. Utilisez Précédent / Suivant (ou les flèches ← / →) pour écouter chaque passage.

What is the most common pronunciation mistake when saying “surfactant”?

Avoid pronouncing every vowel with full acoustic weight. Non-native speakers often over-enunciate unstressed vowels. Only give full vowel clarity to the primary stressed syllable. Relax all unstressed vowels into a neutral, low-energy schwa (⁄ə⁄).