| 单词 | pettenkoffer |
| 释义 | Example sentences from the Web for Pettenkoffer
Pettenkoffer[ pĕt′n-kô′fər ] German chemist noted for his work in the fields of hygiene and disease prevention. He theorized that clean water, adequate ventilation, and effective sewage disposal would prevent the spread of disease. Words nearby PettenkofferPetsamo, PET scan, PET scanner, PET scanning, pet sitting, Pettenkoffer, petti, petticoat, petticoat breeches, petticoated, petticoat insulator The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
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