Definition of aquamarine in English:

aquamarine

Syllabification: aq·ua·ma·rine
Pronunciation: /ˌäkwəməˈrēn, ˌak-
 
/

noun

1A precious stone consisting of a light bluish-green variety of beryl.
More example sentences
  • Again, it is assumed that readers know aquamarine is beryl, amethyst is quartz, and Iceland spar is calcite but cannot grapple with the complexity of remembering that spessartine and grossular are garnets.
  • The other gems include aquamarines, beryl and moonstones, which are designed to suit one's personality.
  • Smoky quartz, topaz, and microcline variety amazonite from the Pikes Peak Granite and beryl variety aquamarine from Mount Antero are well-known Colorado gemstones from pegmatites.
1.1A light bluish-green color: the aquamarine of the Atlantic Ocean [as modifier]: the aquamarine water
More example sentences
  • The aquamarine colour of the water glowed from the pools lights and reflected on the walls, making it the only source of light in the room.
  • With a few sips you can see the aquamarine waters, feel the gentle breeze, and start swaying like a palm frond.
  • Our last stop is a spot called Emerald Cave, where the sun's rays don't reach the water, but the water glows a vivid aquamarine, as if lit from below.

Origin

early 18th century: from Latin aqua marina 'seawater'.

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Word of the day grammarian
Pronunciation: grəˈme(ə)rēən
noun
a person who studies and writes about grammar