3 syllables: i, so, lates. Stress on i.
/ˈaɪsəˌleɪts/
Say it backIsolates is the plural form of isolate, referring to individuals or items that are set apart or separated. In science and everyday use, it describes things viably distinct from a group. The term often appears in contexts like biology, chemistry, or social sciences to denote separated units or samples that have not mixed with others.
"Researchers tested the bacteria isolates to determine their resistance profiles."
"Several cultural isolates in the study suggested limited interaction with neighboring communities."
"The isolation of the genome isolates provided clear markers for lineage tracing."
Phonetic guide: /ˈaɪ.sə.leɪts/. Stress on the first syllable. The initial diphthong is /aɪ/ like “eye.” The middle syllable is a schwa /ə/, clearly unstressed. The final syllable contains /leɪts/ with /eɪ/ as the long a followed by /ts/ cluster. Practice by thinking: eye-suh-late-s. You’ll place the tongue high for /aɪ/, relax for /ə/, then raise to /eɪ/ and finish with a crisp /ts/ release.
Common errors: (1) Misdropping the /ˈaɪ/ into a short /ɪ/ sound, (2) Deleting the /l/ or slurring it into /əl/ making /ˈaɪsə.leɪts/ sound like /ˈaɪsəlets/, (3) Dropping the final /t/ or turning /ts/ into a simple /s/. Correction: keep /aɪ/ as a true diphthong, articulate a clear /l/ before /eɪ/, and release with a crisp /t/ plus /s/ cluster. Slow practice at first helps maintain segment boundaries.
US/UK/AU differences center on rhoticity and vowel quality. US tends to keep /ɪ/ in unstressed positions and a slightly flatter /ɔː/ before /l/; UK often yields a schwa /ə/ with a lighter /l/ and crisper /t/; Australian tends to a more centralized /ə/ and a longer, more open /eɪ/ in some speakers. Across all, the /aɪ/ remains prominent. Focus on maintaining /ˈaɪ/ initial, then a clear /ləɪts/ tail with consistent /l/ and /ts/.
The difficulty lies in the two consonant clusters: a clear /lə/ sequence before the /ɪts/ tail and the final /ts/ blend, which can reduce to /s/ or /t/ in fast speech. The main articulatory challenge is sustaining the diphthong /aɪ/ without flattening into /a/ and ensuring the tongue travels smoothly from the L-position to the alveolar affricate release. Controlled practice of the /l/-light touch and the /t/+/s/ release helps.
A unique feature is the clear separation between /sə/ and the /leɪts/, avoiding a fused /səˈleɪts/ that some speakers produce. Emphasize the syllable boundary after /sə/ to preserve the tri-syllabic rhythm (iˈsə-late-s). This also helps avoid mispronouncing it as /ˈɪs.oʊˌleɪts/ or blending to a two-syllable form. Maintaining the intact three-syllable cadence is key.
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Isolate comes from Latin isolatus, past participle of isolare ‘to set apart, to separate,’ from in- ‘in, into’ + solus ‘alone, only.’ The sense evolved through Medieval Latin and Old French into English as a verb isolate (late 15th century) and noun/opera formations like isolates in the 19th–20th centuries. The term gained scientific traction in biology and chemistry as researchers needed precise language for single-specimen or single-component samples. In sociology and medicine, it described actions of setting a person or pathogen apart, reinforcing the core sense of separation or singularity. The plural isolates emerged to describe multiple separate items or specimens; this form has remained stable in modern technical and academic usage. First known uses evade precise dates, but documentation shows isolate in the sense of a detached element in English by the 1500s, with isolates as a specialized plural appearing as disciplines formalized their vocabularies in the late 19th and 20th centuries, especially in microbiology, genetics, and pharmacology. The word now spans contextual domains including clinical isolation, environmental sampling, and abstract mathematical separations, always anchored in the core idea of separation or isolation of a unit from a larger whole.
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Words that rhyme with "isolates"
-tes sounds
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