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 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 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 As Mira Abed reports for the Los Angeles Times, the team suspected bitumen water bottles might have been harmful to ancient people's health because petroleum releases toxic pollutants called polycyclic aromatic hydrocarbons, or PAHs. Brigit Katz, Smithsonian, "Drinking From Ancient Water Bottles Didn’t Hurt Indigenous People—Making Them Did," 30 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.

See More

First Known Use of polycyclic

1869, in the meaning defined above

History and Etymology for polycyclic

International Scientific Vocabulary

Keep scrolling for more

Learn More about polycyclic

Statistics for polycyclic

Last Updated

24 Aug 2019

Look-up Popularity

Time Traveler for polycyclic

The first known use of polycyclic was in 1869

See more words from the same year

Keep scrolling for more

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

Comments on polycyclic

What made you want to look up polycyclic? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to fake an opponent out of position

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!