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chain coral

American  

noun

  1. coral of the extinct genus Halysites, from the Ordovician and Silurian periods, consisting of oval, laterally compressed corallites united to form a chainlike structure.

Etymology

Origin of chain coral

First recorded in 1800–10

Example Sentences

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A third type is the chain coral, made of tubes joined in rows, single file like pickets of a fence.

From Earth and Sky Every Child Should Know Easy studies of the earth and the stars for any time and place by Rogers, Julia Ellen

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.