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macrocyclic

American  
[mak-roh-sahy-klik, -sik-lik] / ˌmæk roʊˈsaɪ klɪk, -ˈsɪk lɪk /

adjective

Chemistry.

  1. having a ring structure consisting of more than 12 atoms.

Etymology

Origin of macrocyclic

First recorded in 1945–50; macro- + cyclic

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.