How to pronounce "diisopropyl" in English
daɪaɪsəʊˈpɹəʊpaɪɫ
dy·eye·soh·PROH·peyeɫ
Primary stress: PROH
Hear native speakers say diisopropyl in context across real video clips
So what do we conclude from these data? If the active site serine of ClpX is covalently modified with an inhibitor, which is diisopropyl fluorophosphate, we lose activity. is covalently modified with an inhibitor, which
Linguistic Pronunciation Masterclass: “diisopropyl”
Phonetic mechanics, syllable architecture, and conversational cadence
Syllable Architecture & Stress Distribution
dy
Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.
eye
Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.
soh
Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.
PROH
Gliding diphthong with sustained vocal resonance.
peyeɫ
Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.
Primary emphasis falls on the fourth syllable ("PROH"). 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 "diisopropyl" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "diisopropyl is" sounds like "diisopropyl-iz").
Maintain the stress-timed rhythm of English: compress unstressed syllables rapidly so the beat of "diisopropyl" aligns naturally with adjacent words.
Authentic Spoken Quotes from Native Video Context
“If the active site serine of ClpX is covalently modified with an inhibitor, which is diisopropyl fluorophosphate, we lose activity.”— MIT OpenCourseWareWatch clip
“It's diisopropyl. And you want it to be hindered, because otherwise, this H isn't so very easy to attack.”— YaleCoursesWatch clip
“2, 9-diisopropyl, this is telling us that at spot number two and at spot number nine, I have isopropyl.”— Khan AcademyWatch clip
“So I hypothesize here that what the diisopropyl -- what the Hünig's base, we call it diisopropylethylamine is doing.”— YaleCoursesWatch clip
“Now, if we go back a little, let's see, we have a 2, 9-diisopropyl.”— Khan AcademyWatch clip
“We put in diisopropyl tartrate as an ester, and we kept getting 90%, 100%, 95 -- every olefin we put in that was an allylic alcohol,”— YaleCoursesWatch clip
Practice Speaking “diisopropyl”
Listen to native pronunciation, record yourself repeating the sentence into your microphone, and receive real-time word-by-word accuracy scoring.
If the active site serine of ClpX is covalently modified with an inhibitor, which is diisopropyl fluorophosphate, we lose activity.
Hear it in context: “diisopropyl”
13 clipsThe English word “diisopropyl” is transcribed in the International Phonetic Alphabet (IPA) as daɪaɪsəʊˈpɹəʊpaɪɫ (phonetic respelling: dy-eye-soh-PROH-peyeɫ). Phonologically, it consists of 5 syllables (dy · eye · soh · PROH · peyeɫ), with primary lexical stress placed on the 4th syllable (PROH). Grammatically, “diisopropyl” functions as a adjective. SayItVid indexes 13 authentic English video clips demonstrating how native speakers articulate “diisopropyl” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from MIT OpenCourseWare, YaleCourses, Khan Academy.
Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)
- 🇺🇸 USMIT OpenCourseWareClip #1 · @8:33
“So what do we conclude from these data? If the active site serine of ClpX is covalently modified with an inhibitor, which is diisopropyl fluorophosphate, we lose activity. is covalently modified with an inhibitor, which”
- 🇺🇸 USYaleCoursesClip #2 · @34:09
“It's not dimethyl or diethyl. It's diisopropyl. And you want it to be hindered, because otherwise, this H isn't so very easy to attack. And you want it to be hindered, because otherwise,”
- 🇺🇸 USKhan AcademyClip #3 · @2:44
“me do this in magenta. 2, 9-diisopropyl, this is telling us that at spot number two and at spot number nine, I have isopropyl. two and at spot number nine, I have isopropyl.”
- 🇺🇸 USYaleCoursesClip #4 · @32:55
“for the hydrogen transfers that are needed. So I hypothesize here that what the diisopropyl -- what the Hünig's base, we call it diisopropylethylamine is doing. Hünig's base, we call it”
- 🇺🇸 USKhan AcademyClip #5 · @1:57
“All right, I drew the cyclohexadecane part. Now, if we go back a little, let's see, we have a 2, 9-diisopropyl. 2,9-diisopropyl.”
Definition & Meaning: “diisopropyl”
- Having two isopropyl groups
Example Sentences (3)
- “a solution of diisopropyl ketone”
- “If the active site serine of ClpX is covalently modified with an inhibitor, which is diisopropyl fluorophosphate, we lose activity.”
- “It's diisopropyl. And you want it to be hindered, because otherwise, this H isn't so very easy to attack.”
Common Phrases & Collocations
Pronounce: “diisopropyl”
- Pronunciation:
- dy-eye-soh-PROH-peyeɫ
- Syllables:
- dy · eye · soh · PROH · peyeɫ
- Written Hyphenation:
- dii · so · pro · pyl
- Primary stress:
- PROH
- IPA:
- daɪaɪsəʊˈpɹəʊpaɪɫ
- Hear it in context
- diisopropyl
Words that Rhyme with “diisopropyl”
-oʊpaɪlWords that Sound Identical (Homophones)
Unique Sound"diisopropyl" (⁄daɪaɪsəʊˈpɹəʊpaɪɫ⁄) 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, "diisopropyl" has a completely distinct phonetic identity.
Frequently asked questions about diisopropyl
How do you pronounce “diisopropyl”?
“diisopropyl” is pronounced ⁄daɪaɪsəʊˈpɹəʊpaɪɫ⁄ (dy-eye-soh-PROH-peyeɫ). Listen to the native-speaker clips above to hear it in real conversation.
How many syllables are in “diisopropyl”?
“diisopropyl” has 5 syllables: dy · eye · soh · PROH · peyeɫ.
Where is the stress in “diisopropyl”?
The primary stress in “diisopropyl” is on “PROH”. Listen for that stressed syllable in the clips above.
What does “diisopropyl” mean?
Having two isopropyl groups
How can I hear “diisopropyl” used in real sentences?
This page has 13 real-world video examples of “diisopropyl” 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 “diisopropyl”?
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⁄).