How to pronounce "fluoresces" in English
flʊəˈrɛs.ɪz
fluu·ə·RES·iz
Primary stress: RES
Hear native speakers say fluoresces in context across real video clips
Linguistic Pronunciation Masterclass: “fluoresces”
Phonetic mechanics, syllable architecture, and conversational cadence
Syllable Architecture & Stress Distribution
fluu
Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.
ə
Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.
RES
Elevated pitch, sustained vowel length, and full acoustic clarity.
iz
Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.
Primary emphasis falls on the third syllable ("RES"). Raise your pitch and sustain the vowel length on this syllable while relaxing the surrounding syllables.
Common Pronunciation Traps & Learner Mistakes
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
When "fluoresces" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "fluoresces is" sounds like "fluoresces-iz").
Maintain the stress-timed rhythm of English: compress unstressed syllables rapidly so the beat of "fluoresces" aligns naturally with adjacent words.
Authentic Spoken Quotes from Native Video Context
“And the p state fluoresces to the s state and the s state doesn't, unless you apply an electric field”— MIT OpenCourseWareWatch clip
“And when the oxygen reacts with the fluorescein, it can convert it back to a form that fluoresces as usual.”— SciShowWatch clip
“which when the cell reads it, can create a protein which fluoresces green.”— TEDx TalksWatch clip
“that's fluorescent-- that is you shine blue light on it and it fluoresces green-- this green fluorescent protein gave rise to a revolution in the use of fluorescent proteins”— Harvard UniversityWatch clip
“a strip that fluoresces under UV light.”— TED-EdWatch clip
“fluoresces this paper should be totally non-reactive to a blue light if it were”— Native SpeakerWatch clip
Practice Speaking “fluoresces”
Listen to native pronunciation, record yourself repeating the sentence into your microphone, and receive real-time word-by-word accuracy scoring.
And the p state fluoresces to the s state and the s state doesn't, unless you apply an electric field
Hear it in context: “fluoresces”
25 clipsThe English word “fluoresces” is transcribed in the International Phonetic Alphabet (IPA) as flʊəˈrɛs.ɪz (phonetic respelling: fluu-ə-RES-iz). Phonologically, it consists of 4 syllables (fluu · ə · RES · iz), with primary lexical stress placed on the 3rd syllable (RES). Grammatically, “fluoresces” functions as a verb. SayItVid indexes 25 authentic English video clips demonstrating how native speakers articulate “fluoresces” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from MIT OpenCourseWare, SciShow, TEDx Talks.
Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)
- 🇺🇸 USMIT OpenCourseWareClip #1 · @10:54
“And what you would find is we have a p state and an s state. And the p state fluoresces to the s state and the s state doesn't, unless you apply an electric field and the s state doesn't, unless you apply an electric field”
- 🇺🇸 USSciShowClip #2 · @7:04
“the hydrogen peroxide reacts with iron in the blood, which releases oxygen. And when the oxygen reacts with the fluorescein, it can convert it back to a form that fluoresces as usual. it can convert it back to a form that fluoresces as usual.”
- 🇺🇸 USTEDx TalksClip #3 · @5:14
“that is the sequence of DNA, which when the cell reads it, can create a protein which fluoresces green. can create a protein which fluoresces green.”
- 🇺🇸 USHarvard UniversityClip #4 · @36:37
“a green color because of a protein in it that's fluorescent-- that is you shine blue light on it and it fluoresces green-- this green fluorescent protein gave rise to a revolution in the use of fluorescent proteins fluoresces green--”
- 🇺🇸 USTED-EdClip #5 · @2:05
“have been chemically enhanced to include another counterfeit countermeasure: a strip that fluoresces under UV light. That's the same kind of light used at black light parties”
Definition & Meaning: “fluoresces”
- To emit electromagnetic radiation, especially visible light, when absorbing radiation of some other wavelength.
- To cause to fluoresce; to make fluorescent.
Example Sentences (3)
- “The blinding light did not hurt, it filled him, he glowed, all his veins fluoresced, each one alive with new growth.”
- “During right robotic thymectomy, fluorescence imaging facilitates identification of the contralateral phrenic nerve by fluorescing the pericardiophrenic vessels.”
- “And the p state fluoresces to the s state and the s state doesn't, unless you apply an electric field”
Common Phrases & Collocations
Pronounce: “fluoresces”
- Pronunciation:
- fluu-ə-RES-iz
- Syllables:
- fluu · ə · RES · iz
- Written Hyphenation:
- flu · o · re · sces
- Primary stress:
- RES
- IPA:
- flʊəˈrɛs.ɪz
- Hear it in context
- fluoresces
Words that Rhyme with “fluoresces”
-ɛsɪzWords that Sound Identical (Homophones)
Unique Sound"fluoresces" (⁄flʊəˈrɛs.ɪz⁄) 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, "fluoresces" has a completely distinct phonetic identity.
Frequently asked questions about fluoresces
How do you pronounce “fluoresces”?
“fluoresces” is pronounced ⁄flʊəˈrɛs.ɪz⁄ (fluu-ə-RES-iz). Listen to the native-speaker clips above to hear it in real conversation.
How many syllables are in “fluoresces”?
“fluoresces” has 4 syllables: fluu · ə · RES · iz.
Where is the stress in “fluoresces”?
The primary stress in “fluoresces” is on “RES”. Listen for that stressed syllable in the clips above.
What does “fluoresces” mean?
To emit electromagnetic radiation, especially visible light, when absorbing radiation of some other wavelength.
How can I hear “fluoresces” used in real sentences?
This page has 25 real-world video examples of “fluoresces” 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 “fluoresces”?
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⁄).