| 单词 | extension |
| 释义 | Word Frequency extension(ɪkˈstɛnʃən) noun 1. the act of extending or the condition of being extended 2. something that can be extended or that extends another object 3. the length, range, etc, over which something is extended; extent 4. an additional telephone set connected to the same telephone line as another set or other sets 5. a room or rooms added to an existing building 6. a delay, esp one agreed by all parties, in the date originally set for payment of a debt or completion of a contract 7. the property of matter by which it occupies space; size 8. a. the act of straightening or extending an arm or leg b. its position after being straightened or extended 9. medicine a steady pull applied to a fractured or dislocated arm or leg to restore it to its normal position See also traction (sense 3)10. a. a service by which some of the facilities of an educational establishment, library, etc, are offered to outsiders b. (as modifier) a university extension course 11. conservative extension Word origin C14: from Late Latin extensiō a stretching out; see extend |
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