| Delafield | Francis, U.S. Physician and pathologist, 1841-1915. See: Delafield's haematoxylin. (05 Mar 2000) |
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| Delafield's haematoxylin | An alum type of haematoxylin used in histology; natural ripening takes about 2 months and the solution is good for years. (05 Mar 2000) |