| Dalton-Henry law | In dissolving a mixture of gases, a liquid will absorb as much of each gas in the mixture as if that were the only gas dissolved. (05 Mar 2000) |
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| daltonian | 1. Attributed to or described by John Dalton. 2. Pertaining to daltonism. (05 Mar 2000) |
| daltonism | Inability to perceive or distinguish certain colours, especially. Red; colour blindness. It has various forms and degrees. So called from the chemist Dalton, who had this infirmity. Source: Websters Dictionary (01 Mar 1998) |