blue-green
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.
GUILIN, China—More than a millennium ago, the Tang dynasty writer Han Yu said of Guilin’s landscape, “The river forms a blue-green silk ribbon, the mountains are like jade hairpins.”
From The Wall Street Journal ● Sep. 8, 2026
In July 2025, testing found Canvey Lake contained 2.5 million cells of blue-green algae per millilitre, more than 100 times the warning threshold of 20,000 cells.
From BBC ● Aug. 4, 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
On the walls to either side, pale sharks prowled painted blue-green depths, whilst eels and octopods slithered amongst rocks and sunken ships.
From "A Dance with Dragons" by George R. R. Martin
