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How to pronounce "radiotherapy" in English

radiotherapy is pronounced with standard English phonetics. Hear authentic native speakers pronounce it in 139 clips with synchronized subtitles and timestamps below.

ra·di·o·the·ra·py

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Hear native speakers say radiotherapy in context across real video clips

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Syllablesra · di · o · the · ra · py
Hear it in contextUS
17:01

and it will guide us in the future also. Radiotherapy another important treatment in the cancer cells. It's useful for all the primary tumor and also for the in the cancer cells. It's useful for all

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Linguistic Pronunciation Masterclass: “radiotherapy”

Phonetic mechanics, syllable architecture, and conversational cadence

Syllable Architecture & Stress Distribution

Syl. 1Unstressed

ra

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

Syl. 2Unstressed

di

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

Syl. 3Unstressed

o

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

Syl. 4Unstressed

the

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

Syl. 5Unstressed

ra

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

Syl. 6Unstressed

py

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

⚠️ Voiced Dental Fricative ⁄ð⁄

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

🔗 Consonant-Vowel Linking (Liaison)

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

⏱️ Stress-Timed Rhythm

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

Authentic Spoken Quotes from Native Video Context

Verified Transcripts
“Radiotherapy another important treatment in the cancer cells.”
— TEDx TalksWatch clip
“stereotactic body radiotherapy this is a the next step of moderate hypofractionation to where treatments”
— StanfordWatch clip
“doses of radiotherapy later I feel like this could be a fresh start and I know not everybody gets that”
— Native SpeakerWatch clip
“radiotherapy therefore we are doing for in the future lots of clinical trials to at the end”
— Native SpeakerWatch clip
“on radiotherapy for 12 days high dose to reduce to give control of the main tumor”
— Native SpeakerWatch clip
“responsible for the radiotherapy program for our cancer patients informed me that they are leaving the”
— Native SpeakerWatch clip
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Radiotherapy another important treatment in the cancer cells.

Hear it in context: “radiotherapy”

139 clips

The English word “radiotherapy”. Phonologically, it consists of 6 syllables (ra · di · o · the · ra · py). Grammatically, “radiotherapy” functions as a noun. SayItVid indexes 139 authentic English video clips demonstrating how native speakers articulate “radiotherapy” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from TEDx Talks, Stanford.

Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)

  • 🇺🇸 USTEDx Talks
    Clip #1 · @17:01
    “and it will guide us in the future also. Radiotherapy another important treatment in the cancer cells. It's useful for all the primary tumor and also for the in the cancer cells. It's useful for all”
  • 🇺🇸 USStanford
    Clip #2 · @47:19
    “there's also a treatment that has emerged called stereotactic body radiotherapy this is a the next step of moderate hypofractionation to where treatments the next step of moderate hypofractionation to where treatments”
  • 🇺🇸 US
    Clip #3 · @10:39
    “diagnosed with breast cancer one myectomy six sessions of chemotherapy 30 doses of radiotherapy later I feel like this could be a fresh start and I know not everybody gets that later I feel like this could be a fresh start and I know not everybody gets that”
  • 🇺🇸 US
    Clip #4 · @2:47
    “now that it really works better than photons or the normal conventional radiotherapy therefore we are doing for in the future lots of clinical trials to at the end trials to at the end”
  • 🇺🇸 US
    Clip #5 · @13:58
    “conundrum this now a bit of a it's a bit of a like a maze so I the next I'm now on radiotherapy for 12 days high dose to reduce to give control of the main tumor this will not have any effect on the liver and the lymph nodes but it should”

Definition & Meaning: “radiotherapy”

Audio
NOUN
  • Synonym of radiation therapy.

Example Sentences (2)

  • “Radiotherapy another important treatment in the cancer cells. It's useful for all the primary tumor and also for the”
  • “stereotactic body radiotherapy this is a the next step of moderate hypofractionation to where treatments”

Common Phrases & Collocations

conventional radiotherapyradiotherapy thereforeradiotherapy programradiotherapy laterbody radiotherapylast radiotherapy

Pronounce: “radiotherapy”

Syllables:
ra · di · o · the · ra · py
Hear it in context
radiotherapy

Words that Sound Identical (Homophones)

Unique Sound
Explore 800+ homophone pairs

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

Frequently asked questions about radiotherapy

How many syllables are in “radiotherapy”?

“radiotherapy” has 6 syllables: ra · di · o · the · ra · py.

What does “radiotherapy” mean?

Synonym of radiation therapy.

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

This page has 139 real-world video examples of “radiotherapy” 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 “radiotherapy”?

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⁄.