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| a white, crystalline, water-insoluble solid, C14H9Cl5, usually derived from chloral by reaction with chlorobenzene in the presence of fuming sulfuric acid: used as an insecticide and as a scabicide and pediculicide: agricultural use prohibited in the U.S. |
| given to using long words. |
| haematoxylin or (US) hematoxylin (ˌhiːməˈtɒksɪlɪn, ˌhɛm-, ˌhiːməˈtɒksɪlɪn, ˌhɛm-) | |
| —n | |
| 1. | a colourless or yellowish crystalline compound that turns red on exposure to light: obtained from logwood and used in dyes and as a biological stain. Formula: C16H14O6.3H2O |
| 2. | a variant spelling of haematoxylon |
| [C19: from New Latin Haematoxylon genus name of logwood, from | |
| hematoxylin or (US) hematoxylin | |
| —n | |
| [C19: from New Latin Haematoxylon genus name of logwood, from | |
hematoxylin he·ma·tox·y·lin (hē'mə-tŏk'sə-lĭn)
n.
A yellow or red crystalline compound used in histological dyes and as an indicator.