(geology) A metamorphic rock containing glaucophane.

Little bluestem (Schizachyrium scoparium) and others of the genus Schizachyrium. / Big bluestem (Andropogon gerardii) and others of the genus Andropogon

(physics) A change in the wavelength of light, in which the wavelength is shorter than when it was emitted at the source.

plural of blueshift

simple past tense and past participle of bluescreen

present participle of bluescreen

plural of bluescreen

Third-person singular simple present indicative form of bluescreen

plural of bluesman

a male blues musician