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How to pronounce "napthalene" in English

napthalene is pronounced with standard English phonetics. Hear authentic native speakers pronounce it in 8 clips with synchronized subtitles and timestamps below.

nap·tha·lene

Accent:
👅Mouth & TonguePractice Speaking

Hear native speakers say napthalene in context across real video clips

1/8
👅Lab
Syllablesnap · tha · lene
Hear it in contextUS
4:14
Keyboard controls: ← Prev, → Next, R Replay • Press L to loop sentence • Space to pause/resume

Linguistic Pronunciation Masterclass: “napthalene”

Phonetic mechanics, syllable architecture, and conversational cadence

Syllable Architecture & Stress Distribution

Syllable 1Unstressed

nap

Reduced vowel sound, relaxed jaw, and minimal vocal effort.

Syllable 2Unstressed

tha

Reduced vowel sound, relaxed jaw, and minimal vocal effort.

Syllable 3Unstressed

lene

Reduced vowel sound, relaxed jaw, and minimal vocal effort.

Keep the vowel length balanced, placing subtle emphasis on the root morpheme according to standard conversational rhythm.

Common Pronunciation Traps & Learner Mistakes

⚠️ Voiceless Dental Fricative ⁄θ⁄

The Trap: Many learners substitute "th" with "s", "z", "t", or "d".

How Native Speakers Say It: Place the flat blade of your tongue lightly between your upper and lower incisors. Blow air gently without vocal chord vibration to produce the unvoiced ⁄θ⁄ sound.

Connected Speech & Natural Conversational Flow

🔗 Consonant-Vowel Linking (Liaison)

When followed by a vowel, insert a subtle glide (/w/ or /j/) to connect into the subsequent word without an abrupt glottal stop.

⏱️ Stress-Timed Rhythm

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

Authentic Spoken Quotes from Native Video Context

Verified Transcripts
“napthalene was soluble in both polline and acetone so neither of these will”
— MIT OpenCourseWareWatch clip
“that napthalene is insoluble in water even at the boiling point that makes”
— MIT OpenCourseWareWatch clip
“work after heating napthalene remained insoluble in water even at the boiling”
— MIT OpenCourseWareWatch clip
“not the recrystallization of napthalene will be carried out using acetone as”
— MIT OpenCourseWareWatch clip
“dissolves for example at room temperature napthalene is insoluble in”
— MIT OpenCourseWareWatch clip
“solvent recrystallization of napthalene followed by instructions for adapting”
— MIT OpenCourseWareWatch clip
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Practice Speaking “napthalene”

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napthalene was soluble in both polline and acetone so neither of these will

Hear it in context: “napthalene”

8 clips

The English word “napthalene”. Phonologically, it consists of 3 syllables (nap · tha · lene). Grammatically, “napthalene” functions as a noun. SayItVid indexes 8 authentic English video clips demonstrating how native speakers articulate “napthalene” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from MIT OpenCourseWare.

Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)

  • 🇺🇸 USMIT OpenCourseWare
    Clip #1 · @4:14
    “temperature but soluble at the boiling point remember at room temperature napthalene was soluble in both polline and acetone so neither of these will work after heating napthalene remained insoluble in water even at the boiling”
  • 🇺🇸 USMIT OpenCourseWare
    Clip #2 · @15:30
    “for solvent 2 we know from our Sol ubility tests that napthalene is insoluble in water even at the boiling point that makes water a very good candidate for solvent”
  • 🇺🇸 USMIT OpenCourseWare
    Clip #3 · @4:21
    “napthalene was soluble in both polline and acetone so neither of these will work after heating napthalene remained insoluble in water even at the boiling point”
  • 🇺🇸 USMIT OpenCourseWare
    Clip #4 · @15:45
    “to while acetone and water are missible toine and water are not the recrystallization of napthalene will be carried out using acetone as solvent 1 and water as solvent”
  • 🇺🇸 USMIT OpenCourseWare
    Clip #5 · @3:21
    “whether or not the compound dissolves for example at room temperature napthalene is insoluble in ethanol and water but soluble in uine and”

Definition & Meaning: “napthalene”

NOUN
  • A white crystalline hydrocarbon manufactured from coal tar; used in mothballs.
  • An aromatic bicyclic hydrocarbon, C₁₀H₈; an acene containing two fused benzene rings.
  • Misspelling of naphthalene.

Example Sentences (3)

  • “We illustrate efficiency improvements of our new design with an example measuring the k#95;H for napthalene in aqueous solution as well as simulations on previous studies.”
  • “napthalene was soluble in both polline and acetone so neither of these will”
  • “that napthalene is insoluble in water even at the boiling point that makes”

Common Phrases & Collocations

heating napthalenetemperature napthalenenapthalene remainednapthalene followed

Pronounce: “napthalene”

Syllables:
nap · tha · lene
Hear it in context
napthalene

Words that Sound Identical (Homophones)

Unique Sound
Explore 800+ homophone pairs

"napthalene" has no true homophones in standard English — there are no other words with identical pronunciation. Unlike sound-alike pairs like there / their or peace / piece, "napthalene" has a completely distinct phonetic identity.

Frequently asked questions about napthalene

How many syllables are in “napthalene”?

“napthalene” has 3 syllables: nap · tha · lene.

What does “napthalene” mean?

A white crystalline hydrocarbon manufactured from coal tar; used in mothballs.

How can I hear “napthalene” used in real sentences?

This page has 8 real-world video examples of “napthalene” with synchronized subtitles. Use Previous / Next (or ← / → keys) to hear each one at the exact moment it is spoken.

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

Many learners substitute "th" with "s", "z", "t", or "d". Place the flat blade of your tongue lightly between your upper and lower incisors. Blow air gently without vocal chord vibration to produce the unvoiced ⁄θ⁄ sound.