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annulene

American  
[an-yuh-leen] / ˈæn yəˌlin /

noun

plural

annulenes

  1. Chemistry. any cyclic hydrocarbon containing alternating double bonds separated by single bonds.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.