Third-person singular simple present indicative form of blue

present participle of blue

An indigo material used as a laundry aid to counteract yellowing

plural of blueing

plural of blue threeawn

A perennial bunchgrass native to the southwestern and south-central US into northern Mexico, Aristida purpurea var. nealleyi (formerly known as Aristida glauca).

A species of perennial grass native to inland parts of the western and central United States into neighboring areas of Mexico and Canada, especially the northern Great Plains, Bouteloua gracilis, which is important as a food grass for grazing animals and used in drought-tolerant landscaping.

plural of blue grama

A blue aniline dye used as an indicator in agar for detection of lipase activity in bacteria.

A pigment made from barium copper tetrasilicate (“BaCuSi₄O₁₀”), an artificial blue pigment, used by ancient Chinese for over 2 millennia before dying out at the end of the Han dynasty; one of the few alternates to azurite in ancient times.