How to pronounce "cofactors" in English
co·fac·tors
Hear native speakers say cofactors in context across real video clips
Linguistic Pronunciation Masterclass: “cofactors”
Phonetic mechanics, syllable architecture, and conversational cadence
Syllable Architecture & Stress Distribution
co
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
fac
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
tors
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
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 "cofactors" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "cofactors is" sounds like "cofactors-iz").
Maintain the stress-timed rhythm of English: compress unstressed syllables rapidly so the beat of "cofactors" aligns naturally with adjacent words.
Authentic Spoken Quotes from Native Video Context
“cofactors the genes that are involved in that what is the uptake of electrons via shuttle molecules that might be”— StanfordWatch clip
“as cofactors, and you could have organic cofactors, like the vitamin C, or other things that we talked about”— Khan AcademyWatch clip
“The actual cofactors that bind to the enzyme have that cyanide replaced with either a methyl”— MIT OpenCourseWareWatch clip
“this broader set of cofactors it's really going to limit the extent to which we can see that value and as I you know I'm optimistic I think we are”— StanfordWatch clip
“These are cofactors. So cofactor, non-protein part of your actual enzyme.”— Khan AcademyWatch clip
“cofactors. And these are formed from vitamin B-12, which you find in your vitamin bottle.”— MIT OpenCourseWareWatch clip
Practice Speaking “cofactors”
Listen to native pronunciation, record yourself repeating the sentence into your microphone, and receive real-time word-by-word accuracy scoring.
cofactors the genes that are involved in that what is the uptake of electrons via shuttle molecules that might be
Hear it in context: “cofactors”
190 clipsThe English word “cofactors”. Phonologically, it consists of 3 syllables (co · fac · tors). Grammatically, “cofactors” functions as a noun. SayItVid indexes 190 authentic English video clips demonstrating how native speakers articulate “cofactors” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from Stanford, Khan Academy, MIT OpenCourseWare.
Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)
- 🇺🇸 USStanfordClip #1 · @9:56
“cell cathode contact what are the molecular players the coenzymes cofactors the genes that are involved in that what is the uptake of electrons via shuttle molecules that might be what is the uptake of electrons via shuttle molecules that might be”
- 🇺🇸 USKhan AcademyClip #2 · @9:29
“as you would view these, you would view the ions as cofactors, and you could have organic cofactors, like the vitamin C, or other things that we talked about like the vitamin C, or other things that we talked about”
- 🇺🇸 USMIT OpenCourseWareClip #3 · @1:50
“with cyanide, is vitamin B-12. The actual cofactors that bind to the enzyme have that cyanide replaced with either a methyl have that cyanide replaced with either a methyl”
- 🇺🇸 USStanfordClip #4 · @10:39
“should be excited about that and optimistic but if we don't think about this broader set of cofactors it's really going to limit the extent to which we can see that value and as I you know I'm optimistic I think we are which we can see that value and as I you know I'm optimistic I think we are”
- 🇺🇸 USKhan AcademyClip #5 · @4:04
“in green right over here, and these are cofactors. These are cofactors. So cofactor, non-protein part of your actual enzyme. So cofactor, non-protein part of your actual enzyme.”
Definition & Meaning: “cofactors”
- A contributing factor.
- A substance, especially a coenzyme or a metal, that must be present for an enzyme to function.
Example Sentences (3)
- “Although many believe HTLV-III plays a primary role in the development of AIDS, it is still unresolved how the virus works and what cofactors, if any, play a role.”
- “cofactors the genes that are involved in that what is the uptake of electrons via shuttle molecules that might be”
- “as cofactors, and you could have organic cofactors, like the vitamin C, or other things that we talked about”
Common Phrases & Collocations
Pronounce: “cofactors”
- Syllables:
- co · fac · tors
- Hear it in context
- cofactors
Words that Sound Identical (Homophones)
Unique Sound"cofactors" 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, "cofactors" has a completely distinct phonetic identity.
Frequently asked questions about cofactors
How many syllables are in “cofactors”?
“cofactors” has 3 syllables: co · fac · tors.
What does “cofactors” mean?
A contributing factor.
How can I hear “cofactors” used in real sentences?
This page has 190 real-world video examples of “cofactors” 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 “cofactors”?
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⁄).