green water

noun

1
: the water in shore on soundings compare blue water
2
: green sea
3
: an opaque greenish condition of the water in an aquarium that is caused by excessive growth of algae and that is harmless and usually healthful to fishes

Word History

First Known Use

1854, in the meaning defined at sense 3

Time Traveler
The first known use of green water was in 1854

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Dictionary Entries Near green water

greenwashing

green water

green wattle

See More Nearby Entries 

Cite this Entry

“Green water.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/green%20water. Accessed 23 Nov. 2024.

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