A surname. / A German multinational life science, chemical, and pharmaceutical company.

comparative form of bay: more bay

plural of Bayer designation

a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name.

(astronomy) A method of stellar classification in which stars are assigned Greek letters (α, β, γ, etc.) in decreasing order of brightness.

plural of bayerite

(mineralogy) A polytype of gibbsite.