How to pronounce "photosynthesize" in English
pho·to·syn·the·size
Hear native speakers say photosynthesize in context across real video clips
Linguistic Pronunciation Masterclass: “photosynthesize”
Phonetic mechanics, syllable architecture, and conversational cadence
Syllable Architecture & Stress Distribution
pho
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
to
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
syn
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
the
Reduced vowel sound, relaxed jaw, and minimal vocal effort.
size
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⁄.
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
When followed by a vowel, insert a subtle glide (/w/ or /j/) to connect into the subsequent word without an abrupt glottal stop.
Maintain the stress-timed rhythm of English: compress unstressed syllables rapidly so the beat of "photosynthesize" aligns naturally with adjacent words.
Authentic Spoken Quotes from Native Video Context
“oceanica was actually to photosynthesize was actually enhanced in the short term um when exposed to sunscreen.”— TEDx TalksWatch clip
“The blotches can’t photosynthesize, so spotted leaves can’t produce as much fuel as unspotted ones would.”— SciShowWatch clip
“to photosynthesize sugars. But why does fungus transport resources from tree to tree?”— TED-EdWatch clip
“You photosynthesize it and recombine it differently to make ozone.”— YaleCoursesWatch clip
“photosynthesize or can eat um I've had people in my lab who feel very firmly that most microbes are actually mixotrophic if you push them at least”— StanfordWatch clip
“to photosynthesize whenever conditions are right.”— WIREDWatch clip
Practice Speaking “photosynthesize”
Listen to native pronunciation, record yourself repeating the sentence into your microphone, and receive real-time word-by-word accuracy scoring.
oceanica was actually to photosynthesize was actually enhanced in the short term um when exposed to sunscreen.
Hear it in context: “photosynthesize”
142 clipsThe English word “photosynthesize”. Phonologically, it consists of 5 syllables (pho · to · syn · the · size). Grammatically, “photosynthesize” functions as a verb. SayItVid indexes 142 authentic English video clips demonstrating how native speakers articulate “photosynthesize” in natural connected speech across American (US: 8 sampled), British (UK), and Australian (AUS) accents, including verified broadcasts from TEDx Talks, SciShow, TED-Ed.
Spoken Video Transcripts & Contextual Quotes (5 Verified Clips)
- 🇺🇸 USTEDx TalksClip #1 · @4:55
“ability of a seaggrass called posidonia oceanica was actually to photosynthesize was actually enhanced in the short term um when exposed to sunscreen. This was was actually enhanced in the short term”
- 🇺🇸 USSciShowClip #2 · @2:16
“White patches are relatively cheap as far as defenses go, though not entirely free. The blotches can’t photosynthesize, so spotted leaves can’t produce as much fuel as unspotted ones would. Even so, the plants’ poop-like patterns are the most intense when they’re growing in darkly shaded spots, perhaps because the lower light means they can’t afford to lose as many leaves.”
- 🇺🇸 USTED-EdClip #3 · @2:53
“a seedling that grows in the shade and has less opportunity to photosynthesize sugars. But why does fungus transport resources from tree to tree? But why does fungus transport resources from tree to tree?”
- 🇺🇸 USYaleCoursesClip #4 · @24:43
“You make ozone from oxygen. You photosynthesize it and recombine it differently to make ozone. make ozone.”
- 🇺🇸 USStanfordClip #5 · @41:17
“were looking at some mixotrophic algae um mixotrophs are organisms that can photosynthesize or can eat um I've had people in my lab who feel very firmly that most microbes are actually mixotrophic if you push them at least that most microbes are actually mixotrophic if you push them at least”
Definition & Meaning: “photosynthesize”
- To synthesize carbohydrates from carbon dioxide and water using the energy of light by photosynthesis
Example Sentences (2)
- “oceanica was actually to photosynthesize was actually enhanced in the short term um when exposed to sunscreen. This was”
- “The blotches can’t photosynthesize, so spotted leaves can’t produce as much fuel as unspotted ones would.”
Common Phrases & Collocations
Pronounce: “photosynthesize”
- Syllables:
- pho · to · syn · the · size
- Hear it in context
- photosynthesize
Words that Sound Identical (Homophones)
Unique Sound"photosynthesize" 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, "photosynthesize" has a completely distinct phonetic identity.
Frequently asked questions about photosynthesize
How many syllables are in “photosynthesize”?
“photosynthesize” has 5 syllables: pho · to · syn · the · size.
What does “photosynthesize” mean?
To synthesize carbohydrates from carbon dioxide and water using the energy of light by photosynthesis
How can I hear “photosynthesize” used in real sentences?
This page has 142 real-world video examples of “photosynthesize” 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 “photosynthesize”?
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⁄.