5 syllables: Acr, yl, o, nitr, ile. Stress on nitr.
ak-ril-EYE-nuh-treyel
/ˌæ.kɹɪˈlaɪ.nəˌtraɪl/
Acrylonitrile is pronounced ak-ril-EYE-nuh-treyel (/ˌæ.kɹɪˈlaɪ.nəˌtraɪl/). It has five syllables (Acr-yl-o-nitr-ile), with the stress on "nitr". Acrylonitrile is a colorless, volatile organic compound used primarily as a monomer in the production of polyacrylonitrile polymers and acrylonitrile-butadiene-styrene plastics. It features a nitrile group and an acrylate backbone, giving it distinctive reactive properties. In industry, it’s handled under strict safety controls due to its flammability and toxic fumes.
nounAcrylonitrile is a colorless, volatile organic compound used primarily as a monomer in the production of polyacrylonitrile polymers and acrylonitrile-butadiene-styrene plastics. It features a nitrile group and an acrylate backbone, giving it distinctive reactive properties. In industry, it’s handled under strict safety controls due to its flammability and toxic fumes.
"The plant chlorinated styrene to generate acrylonitrile for polymer production."
"Acrylonitrile monomer prices fluctuated with crude oil trends in the late 2020s."
"Workers wore respirators when handling acrylonitrile in the facility."
Acrylonitrile is pronounced as /ˌæ.krəˌlaɪˈnaɪ.traɪl/ in US English, with primary stress on the -ny- trile segment. Break it into four parts: ac- (unstressed), a- (secondary), lyo- (lightly stressed on the -ny-), nitrile (stress on the -ny- and -trile). In IPA: US: /ˌæ.krəˌlaɪˈnaɪ.traɪl/. UK: /ˌæ.krəʊˌlaɪˈnaɪ.traɪl/. AU: /ˌæ.krəˈlaɪ.trɪl/ or /ˌæ.krəˌlaɪˈnaɪ.traɪl/ depending on speaker. Audio references: consult major chemistry pronunciation channels or Forvo entries for “acrylonitrile.”
Common errors include misplacing stress (saying ac-RY-lo-nitrile) or compressing the -nytrile into a single syllable. Another pitfall is mispronouncing the 'ny' as 'nee' or truncating the final -l sound. Corrective tips: emphasize the -ny- in nitrile with a clear /ˈnaɪ/ diphthong, keep the final -l crisp, and practice saying the four-beat sequence ac-try-lo-ny-trile with even tempo.
In US English, stress centers around the nitrile, producing /ˌæ.krəˌlaɪˈnaɪ.traɪl/. UK tends to maintain a slightly lighter first syllable and a more rounded /əʊ/ in the -ro- part, yielding /ˌæ.krəʊˌlaɪˈnaɪ.traɪl/. Australian often flattens vowels slightly and can reduce the first syllable somewhat, giving /ˌæ.krəˈlaɪ.trɪl/ or /ˌæ.krəˌlaɪˈnaɪ.traɪl/. All variants retain the primary nitrile stress but differ in vowel quality and rhoticity.
The difficulty centers on multi-syllabic consonant clusters and the nitrile ending. The sequence -ly-n-tri-le includes a dense cluster with a single syllable on ‘ny’ and an end consonant cluster that’s easy to swallow if you rush. Focus on segmenting into four clear syllables: ac-lyo-nitrile, with the nitrile part carrying the strongest stress. Practice slow, then speed up while maintaining crisp /t/, /l/, and /ɪ/ or /aɪ/ vowels.
The sequence -ny- in nitrile often causes speakers to blur the -ny- into a single palatal onset if not careful. Additionally, the -trile ending requires a precise alveolar-tap or light /t/ before /raɪl/. Emphasize the triple-sound boundary between -ny- and -trile: /ˈnaɪ.traɪl/ with a clear, low to mid tongue position for the -ly- portion and a final alveolar /l/.
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Acrylonitrile derives from acryl- (from acrylic acid, from Greek akrós ‘sharp, pungent’) and nitrile (from the nitrile functional group, -CN). The term reflects its chemical structure: an acrylate backbone bearing a nitrile substituent. The modern industrial name crystallized in the early to mid-20th century as nitrile-containing vinyl monomers were developed for polymer chemistry. The root acryl- is tied to acrylate chemistry through the hydroxyethyl acrylate–polymerization lineage, while -nitrile indicates the presence of the nitrile group. First uses emerged in early synthetic polymer work, with widespread commercial production expanding through the mid-20th century as acrylonitrile-based polymers gained prominence in textiles, plastics, and synthetic fibers. The word’s pronunciation and spelling stabilized as chemical nomenclature standardized during the growth of polymer science, with formal adoption in technical literature and safety guidelines accompanying the adoption of these materials in consumer and industrial applications.
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Words that rhyme with "Acrylonitrile"
-tle sounds
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