Daltonic

1866, John Henry Pepper, The Playbook of Metals: A New Edition, page 150, All our ideas are so interwoven with the Daltonic theory that we cannot transform ourselves into the times when it did not exist.

Source: wiktionary

1875 October 8, S. E. Phillips, The Atomic Weight of the Cerium Metals, William Crooke (editor), The Chemical News, Volume 31: 1875, page 176, It seems to me a cardinal point with many to consider the elements as blank units which may be played with numerically; they coldly and grudgingly accept the Daltonic proportions, and seem to consider it immaterial whether an element be xCl, or x₂Cl₂, or x₃Cl₃, excepting as far as volume or specific heat may determine.

Source: wiktionary

An “ion” is an atom of matter—I mean a Daltonic atom; hydrogen, for example—with such an electron attached to it, or detached from it.

Source: wiktionary

Using three tests, bridge', 'differences and 'mosaic', can be as rapid as 1 minute per test but a child slightly Daltonic on PIC may give positive results on only two of the three; which two, cannot be predicted.

Source: wiktionary