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How to pronounce "macromolecules" in English

macromolecules is pronounced with standard English phonetics, with primary stress on the “MO” syllable. Hear authentic native speakers pronounce it in 154 clips with synchronized subtitles and timestamps below.

ma·cro·MO·le·cu·les

Primary stress: mo

Accent:
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Hear native speakers say macromolecules in context across real video clips

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Syllablesma · cro · mo · le · cu · les
Hear it in contextUS
9:14
Keyboard controls: ← Prev, → Next, R Replay • Press L to loop sentence • Space to pause/resume

Linguistic Pronunciation Masterclass: “macromolecules”

Phonetic mechanics, syllable architecture, and conversational cadence

Syllable Architecture & Stress Distribution

Syl. 1Unstressed

ma

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

Syl. 2Unstressed

cro

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

Syl. 3Stress

MO

Elevated pitch, sustained vowel length, and full acoustic clarity.

Syl. 4Unstressed

le

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

Syl. 5Unstressed

cu

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

Syl. 6Unstressed

les

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

Primary emphasis falls on the third syllable ("MO"). 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 "macromolecules" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "macromolecules is" sounds like "macromolecules-iz").

⏱️ Stress-Timed Rhythm

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

Authentic Spoken Quotes from Native Video Context

Verified Transcripts
“So those biological macromolecules are made up largely of only six elements-- hydrogen, carbon, nitrogen, and oxygen, phosphorus, and sulfur.”
— MIT OpenCourseWareWatch clip
“interact with the different macromolecules, like the DNA or the RNA, you should always remember this is amazing.”
— Khan AcademyWatch clip
“Moving on to our macromolecules, which is our cells, the health of our cells.”
— Big ThinkWatch clip
“are instances of biological macromolecules such as RNA, DNA, proteins, etc.”
— CNBCWatch clip
“Proteins are macromolecules which are composed of amino acids.”
— Native SpeakerWatch clip
“Once all of those macromolecules have been dissembled into their monomers, the small intestine’s epithelial cells can finally absorb and transport them through your capillaries”
— Native SpeakerWatch clip
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Practice Speaking “macromolecules”

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So those biological macromolecules are made up largely of only six elements-- hydrogen, carbon, nitrogen, and oxygen, phosphorus, and sulfur.

Hear it in context: “macromolecules”

154 clips

The English word “macromolecules”. Phonologically, it consists of 6 syllables (ma · cro · mo · le · cu · les), with primary lexical stress placed on the 3rd syllable (mo). Grammatically, “macromolecules” functions as a noun. SayItVid indexes 154 authentic English video clips demonstrating how native speakers articulate “macromolecules” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from MIT OpenCourseWare, Khan Academy, Big Think.

Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)

  • 🇺🇸 USMIT OpenCourseWare
    Clip #1 · @9:14
    “of the periodic table. So those biological macromolecules are made up largely of only six elements-- hydrogen, carbon, nitrogen, and oxygen, phosphorus, and sulfur. are made up largely of only six elements--”
  • 🇺🇸 USKhan Academy
    Clip #2 · @6:02
    “of how these enzymes interact with the different macromolecules, like the DNA or the RNA, you should always remember this is amazing. like the DNA or the RNA,”
  • 🇺🇸 USBig Think
    Clip #3 · @7:21
    “So it’s easier to get back in shape than it is to get in shape the first time. Moving on to our macromolecules, which is our cells, the health of our cells. how our cells are communicating with one another, how they’re duplicating and so on.”
  • 🇺🇸 USCNBC
    Clip #4 · @13:48
    “molecules whose exact composition has been designed synthetically, but that ultimately are instances of biological macromolecules such as RNA, DNA, proteins, etc. DNA, proteins, etc.”
  • 🇺🇸 US
    Clip #5 · @0:10
    “I'm a protein engineer and designer. Proteins are macromolecules which are composed of amino acids. They are made of 20 different types of amino acids.”

Definition & Meaning: “macromolecules”

NOUN
  • A very large molecule, such as a protein, nucleic acid, or synthetic polymer, composed of thousands of covalently bonded atoms.

Example Sentences (3)

  • “DNA is a complex macromolecule that carries genetic information.”
  • “So those biological macromolecules are made up largely of only six elements-- hydrogen, carbon, nitrogen, and oxygen, phosphorus, and sulfur.”
  • “interact with the different macromolecules, like the DNA or the RNA, you should always remember this is amazing.”

Common Phrases & Collocations

biological macromoleculesdifferent macromolecules

Pronounce: “macromolecules”

Syllables:
ma · cro · mo · le · cu · les
Primary stress:
mo
Hear it in context
macromolecules

Words that Sound Identical (Homophones)

Unique Sound
Explore 800+ homophone pairs

"macromolecules" 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, "macromolecules" has a completely distinct phonetic identity.

Frequently asked questions about macromolecules

How many syllables are in “macromolecules”?

“macromolecules” has 6 syllables: ma · cro · mo · le · cu · les.

Where is the stress in “macromolecules”?

The primary stress in “macromolecules” is on “MO”. Listen for that stressed syllable in the clips above.

What does “macromolecules” mean?

A very large molecule, such as a protein, nucleic acid, or synthetic polymer, composed of thousands of covalently bonded atoms.

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

This page has 154 real-world video examples of “macromolecules” 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 “macromolecules”?

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⁄).