Hoe spreek je „corundum” uit in het Engels
kəˈrʌndəm
kə·RUHN·dəm
Hoofdklemtoon: RUHN
Luister naar moedertaalsprekers die „corundum” zeggen in de context van echte video's
Linguistic Pronunciation Masterclass: “corundum”
Phonetic mechanics, syllable architecture, and conversational cadence
Syllable Architecture & Stress Distribution
kə
Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.
RUHN
Elevated pitch, sustained vowel length, and full acoustic clarity.
dəm
Neutral schwa (⁄ə⁄): relaxed jaw, brief unstressed breath.
Primary emphasis falls on the second syllable ("RUHN"). 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 "corundum" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "corundum is" sounds like "corundum-iz").
Maintain the stress-timed rhythm of English: compress unstressed syllables rapidly so the beat of "corundum" aligns naturally with adjacent words.
Authentic Spoken Quotes from Native Video Context
“In pure, transparent, corundum, this just produces an effect called birefringence, where the two light paths create a double image.”— SciShowWatch clip
“The mineral is called corundum, and it is made up of aluminum and oxygen.”— WIREDWatch clip
“and then below that you have more minerals and things um so this is what BR warps they love they have lots of mineral clouds um so corundum does”— Harvard UniversityWatch clip
“Ruby and sapphire — two paragons of gem high society — are actually just different colors of the same mineral, corundum.”— Native SpeakerWatch clip
“But things are different in red corundum — better known as ruby — or colored sapphires.”— SciShowWatch clip
“It turns out that rubies or the mineral corundum can be found all around the world.”— WIREDWatch clip
Oefen het uitspreken van “corundum”
Luister naar de moedertaalspreker, neem jezelf op terwijl je de zin nazegt en ontvang directe woord-voor-woord nauwkeurigheidsscores.
In pure, transparent, corundum, this just produces an effect called birefringence, where the two light paths create a double image.
Hoor in context: “corundum”
12 clipsThe Engels word “corundum” is transcribed in the International Phonetic Alphabet (IPA) as kəˈrʌndəm (phonetic respelling: kə-RUHN-dəm). Phonologically, it consists of 3 syllables (kə · RUHN · dəm), with primary lexical stress placed on the 2nd syllable (RUHN). Grammatically, “corundum” functions as a noun. SayItVid indexes 12 authentic Engels video clips demonstrating how native speakers articulate “corundum” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from SciShow, WIRED, Harvard University.
Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)
- 🇺🇸 USSciShowClip #1 · @2:40
“refracted different amounts. In pure, transparent, corundum, this just produces an effect called birefringence, where the two light paths create a double image. the two light paths create a double image.”
- 🇺🇸 USWIREDClip #2 · @1:16
“Rubies and sapphires are the same exact mineral. The mineral is called corundum, and it is made up of aluminum and oxygen. and it is made up of aluminum and oxygen.”
- 🇺🇸 USHarvard UniversityClip #3 · @20:03
“and so you could imagine some sort of Iron hydrological Cycle but with iron and then below that you have more minerals and things um so this is what BR warps they love they have lots of mineral clouds um so corundum does BR warps they love they have lots of mineral clouds um so corundum does”
- 🇺🇸 USClip #4 · @6:07
“which can sometimes change its name. Ruby and sapphire — two paragons of gem high society — are actually just different colors of the same mineral, corundum. are actually just different colors of the same mineral, corundum.”
- 🇺🇸 USSciShowClip #5 · @2:50
“You can see this in other clear crystals like calcite. But things are different in red corundum — better known as ruby — or colored sapphires. These things get their base colors from impurities in their crystal lattices, which absorb different”
Definitie & Betekenis: “corundum”
- An extremely hard mineral, a form of aluminum oxide with the chemical formula Al₂O₃, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.
Voorbeeldzinnen in context (2)
- “In pure, transparent, corundum, this just produces an effect called birefringence, where the two light paths create a double image.”
- “The mineral is called corundum, and it is made up of aluminum and oxygen.”
Veelvoorkomende uitdrukkingen
Uitspraak: “corundum”
- Pronunciation:
- kə-RUHN-dəm
- Lettergrepen:
- kə · RUHN · dəm
- Written Hyphenation:
- co · run · dum
- Hoofdklemtoon:
- RUHN
- IPA:
- kəˈrʌndəm
- Hoor in context
- corundum
Woorden die rijmen op “corundum”
-ʌndəmWoorden met identieke klank (Homofonen)
Unieke klankGeen exacte homofonen bekend voor "corundum" (⁄kəˈrʌndəm⁄).
Veelgestelde vragen over „corundum”
Hoe spreek je “corundum” uit in het Engels?
“corundum” wordt uitgesproken als ⁄kəˈrʌndəm⁄ (kə-RUHN-dəm). Luister naar de videoclips van moedertaalsprekers hierboven om het in context te horen.
Hoeveel lettergrepen heeft “corundum”?
“corundum” heeft 3 lettergrepen: kə · RUHN · dəm.
Waar ligt de klemtoon bij “corundum”?
De hoofdklemtoon bij “corundum” ligt op “RUHN”. Let op die beklemtoonde lettergreep in de videofragmenten hierboven.
Wat betekent “corundum”?
An extremely hard mineral, a form of aluminum oxide with the chemical formula Al₂O₃, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.
Hoe kan ik “corundum” in echte zinnen horen?
Deze pagina bevat 12 videovoorbeelden van “corundum” met gesynchroniseerde ondertiteling. Gebruik Vorige / Volgende (of de pijltjestoetsen ← / →) om elk fragment direct te beluisteren.
What is the most common pronunciation mistake when saying “corundum”?
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⁄).