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
That leads to agricultural run-off which contributes to water pollution, damage to sensitive habitats, and blue-green algal blooms in Lough Neagh and elsewhere.
From BBC • Apr. 30, 2026
Last year, scientists in the country announced they had launched successful trials spraying the soil with cyanobacteria, also known as "blue-green algae" -- a method that helps retain moisture and facilitate tree rooting.
From Barron's • Dec. 18, 2025
A small robot wearing a bear hat threw punches and a blue-green robot, resembling an anime character, moved its head and arms.
From Los Angeles Times • Dec. 17, 2025
I moved my fist from side to side, and he lifted his blue-green wings as he held on and scolded furiously.
From "The Ugly One" by Leanne Statland Ellis
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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.