a transparent variety of beryl that is blue green in color
"The jeweler cut the rough aquamarine into a perfect emerald shape, revealing its deep blue-green clarity."
a shade of blue tinged with green
"The diver gazed up at the aquamarine water, marveling how the sunlight filtered through to create that perfect blue-green hue."
The bluish-green colour of the sea.
"The sunlit waves shimmered in a brilliant aquamarine as they crashed against the shore."
Of a bluish-green colour.
"The diver paused to admire the aquamarine water stretching out beneath the surface of the ocean."
The word comes from the Latin phrase aqua marīna, which literally means "sea water." It is formed by combining aqua (water) and mare (sea).