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How to pronounce "megaparsec" in English

megaparsec is pronounced with standard English phonetics. Hear authentic native speakers pronounce it in 38 clips with synchronized subtitles and timestamps below.

me·ga·par·sec

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Syllablesme · ga · par · sec
Hear it in contextUS
37:54

That's going to be--1 kilometer is 10^ meters. One megaparsec--a mega is 10^, so parsec is 3 x 10^ meters. And so, this is equal to 1/3 meters. And so, this is equal to 1/3

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Linguistic Pronunciation Masterclass: “megaparsec”

Phonetic mechanics, syllable architecture, and conversational cadence

Syllable Architecture & Stress Distribution

Syl. 1Unstressed

me

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

Syl. 2Unstressed

ga

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

Syl. 3Unstressed

par

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

Syl. 4Unstressed

sec

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

⚠️ 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 "megaparsec" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "megaparsec is" sounds like "megaparsec-iz").

⏱️ Stress-Timed Rhythm

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

Authentic Spoken Quotes from Native Video Context

Verified Transcripts
“One megaparsec--a mega is 10^, so parsec is 3 x 10^ meters.”
— YaleCoursesWatch clip
“And if this object right over here-- if this distance right over here is one megaparsec, so 1 million”
— Khan AcademyWatch clip
“So if we take a reasonable value for H of 67 to 70 kilometers per second per megaparsec--”
— MIT OpenCourseWareWatch clip
“The units are kilometers per second per megaparsec.”
— TEDx TalksWatch clip
“Calculations of the Hubble constant from this data yield a value of 64 kilometers per second per megaparsec.”
— Native SpeakerWatch clip
“It's, for those who care, of order 70 kilometers per second, per megaparsec.”
— Native SpeakerWatch clip
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One megaparsec--a mega is 10^, so parsec is 3 x 10^ meters.

Hear it in context: “megaparsec”

38 clips

The English word “megaparsec”. Phonologically, it consists of 4 syllables (me · ga · par · sec). Grammatically, “megaparsec” functions as a noun. SayItVid indexes 38 authentic English video clips demonstrating how native speakers articulate “megaparsec” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from YaleCourses, Khan Academy, MIT OpenCourseWare.

Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)

  • 🇺🇸 USYaleCourses
    Clip #1 · @37:54
    “That's going to be--1 kilometer is 10^ meters. One megaparsec--a mega is 10^, so parsec is 3 x 10^ meters. And so, this is equal to 1/3 meters. And so, this is equal to 1/3”
  • 🇺🇸 USKhan Academy
    Clip #2 · @7:47
    “if this is where we are in the universe right now. And if this object right over here-- if this distance right over here is one megaparsec, so 1 million if this distance right over here is one megaparsec, so 1 million”
  • 🇺🇸 USMIT OpenCourseWare
    Clip #3 · @33:24
    “there were too young. So if we take a reasonable value for H of 67 to 70 kilometers per second per megaparsec-- of 67 to 70 kilometers per second per megaparsec--”
  • 🇺🇸 USTEDx Talks
    Clip #4 · @9:15
    “Don't worry about the units. The number was 600. The units are kilometers per second per megaparsec. But that doesn't really matter for anybody who's really interested.”
  • 🇺🇸 US
    Clip #5 · @11:21
    “Since this is the first observed multiply-lensed supernova, it has become known as Supernova Refsdal. Calculations of the Hubble constant from this data yield a value of 64 kilometers per second per megaparsec. And although the result has large error bars,”

Definition & Meaning: “megaparsec”

NOUN
  • An astronomical unit of distance equal to 1 million parsecs.

Example Sentences (2)

  • “One megaparsec--a mega is 10^, so parsec is 3 x 10^ meters. And so, this is equal to 1/3”
  • “And if this object right over here-- if this distance right over here is one megaparsec, so 1 million”

Common Phrases & Collocations

one megaparsec

Pronounce: “megaparsec”

Syllables:
me · ga · par · sec
Hear it in context
megaparsec

Synonyms: “megaparsec”

1 word

Hear words related in meaning to “megaparsec” in real video clips:

Words that Sound Identical (Homophones)

Unique Sound
Explore 800+ homophone pairs

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

Frequently asked questions about megaparsec

How many syllables are in “megaparsec”?

“megaparsec” has 4 syllables: me · ga · par · sec.

What does “megaparsec” mean?

An astronomical unit of distance equal to 1 million parsecs.

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

This page has 38 real-world video examples of “megaparsec” 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 “megaparsec”?

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⁄).