blue-green
Americannoun
Etymology
Origin of blue-green
First recorded in 1850–55
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Nevertheless, a cheeky portion of blue-green paint contorts itself into a standing position in the corner, fighting against the weight that urges the rest of the work Earthward.
From The Wall Street Journal • May 29, 2026
The show featured red, orange, yellow, pink, blue, blue-green and white diamonds, ranging from 5.11 carats of the Moussaieff Red to 203.04 carats of the De Beers Millennium Star.
From Barron's • May 13, 2026
Lough Neagh has been turned green for the past three summers, due to potentially toxic blue-green algal blooms.
From BBC • Apr. 15, 2026
During the warm months, Lake Erie becomes an ideal setting for cyanobacteria, also known as blue-green algae, to grow rapidly.
From Science Daily • Dec. 2, 2025
Ahead, he could see the dark, blue-green line of oak trees, with the black spaces in between their trunks.
From "I'm the King of the Castle" by Susan Hill
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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.