1 a greenish-blue colour:
2 made of or containing a greenish-blue stone used in jewellery:
3 of a greenish-blue colour:
The collection includes a pair of rose-cut diamond and aquamarine drop earrings.
a man in aquamarine pants
Published in 1938, work on deposits of aquamarine, bismuth and tantalum.
The difference between beryl, aquamarine, and emerald is determined by the colouring and the peculiar shade of each.