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.
As well as explaining what blue-green algae looks like, the notices will provide guidance on where to find current information about blooms and how to report suspected sightings using the Bloomin' Algae app, external.
From BBC ● Aug. 12, 2026
The authority said recent testing had confirmed the presence of blue-green algae, a naturally occurring phenomenon that can develop in still water during prolonged periods of hot weather and which can be harmful to wildlife.
From BBC ● Aug. 4, 2026
A spokesperson for Armagh City, Banbridge and Craigavon Borough Council said watersports activities and open-water swimming at Craigavon Lakes were suspended on 21 July due to the presence of blue-green algae.
From BBC ● Jul. 26, 2026
For one business owner based at Camlough Lake, the return of blue-green algae has had an immediate impact.
From BBC ● Jul. 26, 2026
His velvet doublet was a soft blue-green, embroidered with golden thread at hem and sleeves and collar.
From "A Dance with Dragons" by George R. R. Martin
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.
