| 单词 | cement |
| 释义 | cement n. & v. --n 1. a powdery substance made by calcining lime and clay, mixed with water to form mortar or used in concrete (see also Portland cement). 2. any similar substance that hardens and fastens on setting. 3. a uniting factor or principle. 4. a substance for filling cavities in teeth. 5. (also cementum) Anat. a thin layer of bony material that fixes teeth to the jaw. --vtr. 1. a unite with or as with cement. b establish or strengthen (a friendship etc.). 2. apply cement to. 3. line or cover with cement. Phrases and idioms cement-mixer a machine (usu. with a revolving drum) for mixing cement with water. Derivatives cementer n. Etymology: ME f. OF ciment f. L caementum quarry stone f. caedere hew |
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