Relating to the ideas or chemical theories of John Dalton, especially his atomic theory that explains how matter is made of tiny indivisible particles.
From the name of John Dalton (1766-1844), the English chemist and physicist who developed atomic theory; the suffix '-ian' denotes adherence to his ideas or relating to his work.
John Dalton was color-blind, yet he revolutionized chemistry by discovering that everything is made of atoms—and ironically, color blindness is sometimes still called 'Daltonism' because of his condition, making his name synonymous with both atomic theory and vision deficiency!
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