| 单词 | plaque |
| 释义 | Word Frequency plaque(plæk, plɑːk) noun 1. an ornamental or commemorative inscribed tablet or plate of porcelain, wood, etc 2. a small flat brooch or badge, as of a club, etc 3. pathology any small abnormal patch on or within the body, such as the typical lesion of psoriasis 4. short for dental plaque 5. bacteriology a clear area within a bacterial or tissue culture caused by localized destruction of the cells by a bacteriophage or other virus Word origin C19: from French, from plaquier to plate, from Middle Dutch placken to beat (metal) into a thin plate |
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