How to pronounce "therac" in English
the·rac
Hear native speakers say therac in context across real video clips
Linguistic Pronunciation Masterclass: “therac”
Phonetic mechanics, syllable architecture, and conversational cadence
Syllable Architecture & Stress Distribution
the
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
rac
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: Many learners substitute "th" with "s", "z", "t", or "d".
How Native Speakers Say It: Place the flat blade of your tongue lightly between your upper and lower incisors. Vibrate your vocal cords while pushing air through to produce ⁄ð⁄.
Connected Speech & Natural Conversational Flow
When "therac" is followed by a word starting with a vowel, glide the final consonant into the opening vowel (e.g. "therac is" sounds like "therac-iz").
In natural sentences, avoid over-stressing "therac" unless it conveys the core contrast or focal point of your message.
Authentic Spoken Quotes from Native Video Context
“So there is this Therac-25 radiation therapy machine, and there was a race condition in the software.”— MIT OpenCourseWareWatch clip
“There's a famous radiation device for cancer patients called the Therac-25.”— MIT OpenCourseWareWatch clip
Practice Speaking “therac”
Listen to native pronunciation, record yourself repeating the sentence into your microphone, and receive real-time word-by-word accuracy scoring.
So there is this Therac-25 radiation therapy machine, and there was a race condition in the software.
Hear it in context: “therac”
2 clipsThe English word “therac”. Phonologically, it consists of 2 syllables (the · rac). SayItVid indexes 2 authentic English video clips demonstrating how native speakers articulate “therac” in natural connected speech across American (US: 2 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from MIT OpenCourseWare.
Spoken Video Transcripts & Contextual Quotes (2 Verified Clips)
- 🇺🇸 USMIT OpenCourseWareClip #1 · @4:23
“And there are these two famous race bugs that cause disaster. So there is this Therac-25 radiation therapy machine, and there was a race condition in the software. and there was a race condition in the software.”
- 🇺🇸 USMIT OpenCourseWareClip #2 · @4:14
“of a software bug. There's a famous radiation device for cancer patients called the Therac-25. called the Therac-25.”
Pronounce: “therac”
- Syllables:
- the · rac
- Hear it in context
- therac
Words that Sound Identical (Homophones)
Unique Sound"therac" 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, "therac" has a completely distinct phonetic identity.
Frequently asked questions about therac
How many syllables are in “therac”?
“therac” has 2 syllables: the · rac.
How can I hear “therac” used in real sentences?
This page has 2 real-world video examples of “therac” 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 “therac”?
Many learners substitute "th" with "s", "z", "t", or "d". Place the flat blade of your tongue lightly between your upper and lower incisors. Vibrate your vocal cords while pushing air through to produce ⁄ð⁄.