3 syllables: syn, the, sis. Stress on syn.
SIN-thuh-suhs
/ˈsɪnθəsəs/
synthesis is pronounced SIN-thuh-suhs (/ˈsɪnθəsəs/). It has three syllables (syn-the-sis), with the stress on "syn". Synthesis is the process of combining separate components or ideas to form a coherent whole, often in science, philosophy, or art. It also refers to a compound created by such combination. The term carries a formal, technical tone and is widely used in academic and professional contexts.
nounSynthesis is the process of combining separate components or ideas to form a coherent whole, often in science, philosophy, or art. It also refers to a compound created by such combination. The term carries a formal, technical tone and is widely used in academic and professional contexts.
How to Pronounce Synthesis
"The synthesis of the new drug required precise control of temperature and pH."
"Her research focuses on the synthesis of qualitative and quantitative data."
"In music theory, synthesis involves merging various sounds to create a new timbre."
Pronounce as sɪˈnθɛsɪs. The primary stress is on the second syllable: si-NTHĒ-sis, with a clear voiceless th /θ/, and a crisp final /sɪs/. Start with a short, lax s, then the 'ɪ' vowel, then the voiceless 'θ' as the tongue rests between teeth, followed by /ɛ/ and a light, unstressed /sɪs/ ending. For reference, listen to careful articulation and mirror your tongue position at the /θ/ stage.
Two common errors are mispronouncing the /θ/ as /t/ or /s/ and placing stress on the first syllable (si-NY- thy-sis). Correct by: 1) ensuring the tongue lightly touches the upper teeth for /θ/ (voiceless); 2) keeping the second syllable stressed: si-Nĥĕ-sis; 3) practicing with minimal pairs like 'thesis/synthesis' to distinguish the /θ/ in context.
In US, /sɪˈnθɛsɪs/ with clear /θ/ and non-rhoticity impacting following vowels. In UK, /sɪˈnθɛsɪs/ maintains similar rhythm but vowel quality can be slightly tenser in some accents; Australians may exhibit a slightly shorter /ɪ/ and subtler /t/ release, keeping the /θ/ intact. Across all, the main rhotic influence is minimal; the /θ/ remains the telltale feature to anchor pronunciation.
The central difficulty is the voiceless dental fricative /θ/, a sound many learners substitute with /f/ or /t/. Combined with the secondary stress pattern on the penultimate syllable and the /sɪs/ ending, you must coordinate tongue position, airflow, and stress swiftly. Slow practice of the sequence si-n-θe-sis, isolating /θ/ in words before integrating into the full word helps build accuracy.
The word begins with simple consonant /s/ followed immediately by a dental fricative /θ/. Learners often miss the pause-like distinction between the /n/ and /θ/; ensure a brief perceptual break between the 'n' and 'θ' to avoid merging into /nθ/ or /ns/. Practicing with a slow, segmented pronunciation si-θɛ-sis before running the whole word helps solidify the sequence.
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Synthesis comes from the Greek word synthesis, formed from sun- meaning 'together' and thesis meaning 'placing, putting'. The earliest sense referred to placing things together in logic or philosophy; in ancient Greek, synthetikos described things that were put together for a whole. Through Latin synthesis and French synthèse, the term entered English in the 16th–17th centuries as scholars adopted it in philosophy and chemistry. By the 19th century, synthesis was widely used in chemistry to describe the chemical combination of elements or simpler compounds to create a more complex substance, and in broader academic discourse to denote the combining of ideas, data, or elements into a coherent whole. Today, synthesis spans disciplines—from chemical synthesis in laboratories to synthetic biology, to synthesis in argumentation and theory construction, retaining the core sense of assembling parts to form an integrated product or concept.
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💡 These words have similar meanings to "synthesis" and can often be used interchangeably.
🔄 These words have opposite meanings to "synthesis" and show contrast in usage.
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Words that rhyme with "synthesis"
-sis sounds
Practice with these rhyming pairs to improve your pronunciation consistency:
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