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.
A clear deep blue variety of corundum, valued as a precious stone. A white, yellow, or purple variety of corundum, either clear or translucent. A deep blue colour. Any hummingbird in the genera Hylocharis and Chlorestes, as well as the rufous-throated sapphire, which is now in the genus Amazilia. Any of the butterflies in the southern Asian lycaenid genus Heliophorus.
Of a deep blue colour. Pertaining to a 45th year