| froe | A dirty woman; a slattern; a frow. "Raging frantic froes." See: Frow. Source: Websters Dictionary (01 Mar 1998) |
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| Froehde | A., 19th century German chemist. See: Froehde's reagent. (05 Mar 2000) |
| Froehde's reagent | Sodium molybdate 1, in strong sulfuric acid 1000; gives various colour reactions with alkaloids. (05 Mar 2000) |