polycyclic

adjective
poly·​cy·​clic | \ ˌpä-lē-ˈsī-klik How to pronounce polycyclic (audio) , -ˈsi- How to pronounce polycyclic (audio) \

Definition of polycyclic

: having more than one cyclic component especially : having two or more rings in the molecule

Examples of polycyclic in a Sentence

Recent Examples on the Web The city, which is demolishing the armory, notified the DNR on Oct. 9 that volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs) and arsenic had been discharged from the site. Danielle Kaeding, Star Tribune, "Failure to report contamination site labeled an 'oversight'," 26 Oct. 2020 Past surveys also detected chemical pollutants including polycyclic aromatic hydrocarbons, pesticides, polychlorinated biphenyls (PCBs) and heavy metals. Alex Fox, Smithsonian Magazine, "New York’s ‘Glass Bottle Beach’ Closed After Survey Finds Radioactive Waste," 24 Aug. 2020 The chemicals Anderson and her co-authors examined are called polycyclic aromatic hydrocarbons, or PAHs for short, which can potentially cause cancer. oregonlive, "When wildfire smoke blankets an area, staying inside might not be the refuge you think it is," 2 June 2020 The authors used official government statistics and satellite images to track the emissions of polycyclic hydrocarbons and the incidence of lung cancer, checking their correlation with beehive coal oven use. Diana Gitig, Ars Technica, "Chinese ban on small coal-burning ovens took 15 years," 28 Feb. 2018 The authors used official government statistics and satellite images to track the emissions of polycyclic hydrocarbons and the incidence of lung cancer, checking their correlation with beehive coal oven use. Diana Gitig, Ars Technica, "Chinese ban on small coal-burning ovens took 15 years," 28 Feb. 2018 PAHs (polycyclic aromatic hydrocarbons), which form when meat is smoked, charred or cooked over an open flame, are also found in tobacco smoke. Emily Sohn, chicagotribune.com, "Does grilled meat cause cancer? Maybe, maybe not.," 7 June 2017 PAHs (polycyclic aromatic hydrocarbons), which form when meat is smoked, charred or cooked over an open flame, are also found in tobacco smoke. Emily Sohn, chicagotribune.com, "Does grilled meat cause cancer? Maybe, maybe not.," 7 June 2017 PAHs (polycyclic aromatic hydrocarbons), which form when meat is smoked, charred or cooked over an open flame, are also found in tobacco smoke. Emily Sohn, Sun-Sentinel.com, "Does grilled meat cause cancer?," 6 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'polycyclic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of polycyclic

1869, in the meaning defined above

History and Etymology for polycyclic

International Scientific Vocabulary

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Time Traveler for polycyclic

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The first known use of polycyclic was in 1869

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Statistics for polycyclic

Last Updated

5 Nov 2020

Cite this Entry

“Polycyclic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/polycyclic. Accessed 1 Dec. 2020.

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More Definitions for polycyclic

polycyclic

adjective
poly·​cy·​clic | \ ˌpäl-i-ˈsī-klik How to pronounce polycyclic (audio) , -ˈsik-lik How to pronounce polycyclic (audio) \

Medical Definition of polycyclic

: having more than one cyclic component especially : having two or more usually fused rings in a molecule

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