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How to pronounce "equilateral" in English

equilateral is pronounced with standard English phonetics. Hear authentic native speakers pronounce it in 359 clips with synchronized subtitles and timestamps below.

eq·ui·la·te·ral

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Hear native speakers say equilateral in context across real video clips

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Syllableseq · ui · la · te · ral
Hear it in contextUS
4:57
Keyboard controls: ← Prev, → Next, R Replay • Press L to loop sentence • Space to pause/resume

Linguistic Pronunciation Masterclass: “equilateral”

Phonetic mechanics, syllable architecture, and conversational cadence

Syllable Architecture & Stress Distribution

Syl. 1Unstressed

eq

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

Syl. 2Unstressed

ui

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

Syl. 3Unstressed

la

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

Syl. 4Unstressed

te

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

Syl. 5Unstressed

ral

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

⚠️ Intervocalic Tap / Flap [ɾ] in American English

The Trap: Pronouncing a hard, aspirated [tʰ] in casual conversation can sound overly formal in North America.

How Native Speakers Say It: In American English, a single "t" between vowels quickly taps against the alveolar ridge like a soft "d" ([ɾ]). In British English, maintain a crisp aspirated [tʰ].

Connected Speech & Natural Conversational Flow

🔗 Consonant-Vowel Linking (Liaison)

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

⏱️ Stress-Timed Rhythm

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

Authentic Spoken Quotes from Native Video Context

Verified Transcripts
“For equilateral triangles, it’s known that a certain kind of zigzag pattern is the best path to try.”
— SciShowWatch clip
“and equilateral. Basically, a rectangle rhombus combined. Whereas the rectangle only has one of those qualities, it is”
— TEDx TalksWatch clip
“is an equilateral triangle, this this this are all equal, this all this this are all equal.”
— StanfordWatch clip
“An equilateral triangle has all three sides equal, so it meets the constraints for an isosceles.”
— Khan AcademyWatch clip
“I draw an equilateral triangle, divide each side into three parts, and draw another equilateral triangle”
— MIT OpenCourseWareWatch clip
“equilateral triangle take a little tool called a splicer go down in between the”
— WIREDWatch clip
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Practice Speaking “equilateral”

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For equilateral triangles, it’s known that a certain kind of zigzag pattern is the best path to try.

Hear it in context: “equilateral”

359 clips

The English word “equilateral”. Phonologically, it consists of 5 syllables (eq · ui · la · te · ral). Grammatically, “equilateral” functions as a adjective, noun. SayItVid indexes 359 authentic English video clips demonstrating how native speakers articulate “equilateral” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from SciShow, TEDx Talks, Stanford.

Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)

  • 🇺🇸 USSciShow
    Clip #1 · @4:57
    “But a straight line isn’t always the best option; it depends on the shape. For equilateral triangles, it’s known that a certain kind of zigzag pattern is the best path to try. a certain kind of zigzag pattern is the best path to try.”
  • 🇺🇸 USTEDx Talks
    Clip #2 · @11:41
    “quadrilateral that is both equiangular and equilateral. Basically, a rectangle rhombus combined. Whereas the rectangle only has one of those qualities, it is rhombus combined. Whereas the rectangle”
  • 🇺🇸 USStanford
    Clip #3 · @6:22
    “up out of triangles. And if every triangle is an equilateral triangle, this this this are all equal, this all this this are all equal. are all equal, this all this this are all equal.”
  • 🇺🇸 USKhan Academy
    Clip #4 · @2:02
    “And I would say yes, you're absolutely right. An equilateral triangle has all three sides equal, so it meets the constraints for an isosceles. so it meets the constraints for an isosceles.”
  • 🇺🇸 USMIT OpenCourseWare
    Clip #5 · @71:01
    “Well, let me start by drawing a snowflake first. I draw an equilateral triangle, divide each side into three parts, and draw another equilateral triangle into three parts, and draw another equilateral triangle”

Definition & Meaning: “equilateral”

Audio
ADJECTIVE
  • Having all the sides equal.
  • Having all the faces equal.
NOUN
  • A side exactly corresponding, or equal, to others.
  • A figure having all its sides equal.

Example Sentences (3)

  • “Kissinger had wanted to keep an “equilateral” distance between the US, USSR and China. Under Carter, they became de facto partners.”
  • “For equilateral triangles, it’s known that a certain kind of zigzag pattern is the best path to try.”
  • “and equilateral. Basically, a rectangle rhombus combined. Whereas the rectangle only has one of those qualities, it is”

Common Phrases & Collocations

equilateral triangleequilateral triangularequilateral triangles

Pronounce: “equilateral”

Syllables:
eq · ui · la · te · ral
Hear it in context
equilateral

Words that Sound Identical (Homophones)

Unique Sound
Explore 800+ homophone pairs

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

Frequently asked questions about equilateral

How many syllables are in “equilateral”?

“equilateral” has 5 syllables: eq · ui · la · te · ral.

What does “equilateral” mean?

Having all the sides equal.

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

This page has 359 real-world video examples of “equilateral” 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 “equilateral”?

Pronouncing a hard, aspirated [tʰ] in casual conversation can sound overly formal in North America. In American English, a single "t" between vowels quickly taps against the alveolar ridge like a soft "d" ([ɾ]). In British English, maintain a crisp aspirated [tʰ].