Dictionary.net

a light shade of blue

a transparent piece of sapphire that has been cut and polished and is valued as a precious gem

a precious transparent stone of rich blue corundum valued as a gemstone

a light shade of blue

a transparent piece of sapphire that has been cut and polished and is valued as a precious gem

a precious transparent stone of rich blue corundum valued as a gemstone

Native alumina or aluminium sesquioxide, Al2O3; corundum; esp., the blue transparent variety of corundum, highly prized as a gem.

The color of the gem; bright blue.

Any humming bird of the genus Hylocharis, native of South America. The throat and breast are usually bright blue.

Of or resembling sapphire; sapphirine; blue.

Native alumina or aluminium sesquioxide, Al2O3; corundum; esp., the blue transparent variety of corundum, highly prized as a gem.

The color of the gem; bright blue.

Any humming bird of the genus Hylocharis, native of South America. The throat and breast are usually bright blue.

Of or resembling sapphire; sapphirine; blue.

An oxide of aluminum, occurring in nature as various minerals such as bauxite, corundum, etc. It is used as an adsorbent, desiccating agent, and catalyst, and in the manufacture of dental cements and refractories.

A precious stone of a bright blue color; the bright blue color of this gem.

A highly brilliant precious stone, inferior only to the diamond.

A precious gem of a blue color.

Sapphirine.

Deep pure blue.

n. [Latin, Greek, Hebrew, Arabic] Fare, crystallized alumina, a precious stone next in hardness to the diamond, used in jewellery, of several colours, as crimson or carmine red; ruby;- violet or purple, amethyst;-yellow, topaz;-green, emerald; and blue, sapphire proper.