| 单词 | obtuse |
| 释义 | Word Frequency obtuse(əbˈtjuːs) adjective 1. slow to understand or emotionally insensitive 2. mathematics a. (of an angle) lying between 90° and 180° b. (of a triangle) having one interior angle greater than 90° 3. not sharp or pointed 4. indistinctly felt, heard, etc; dull obtuse pain 5. (of a leaf or similar flat part) having a rounded or blunt tip Derived forms obtusely (obˈtusely) adverb obtuseness (obˈtuseness) or obtusity (obˈtusity) noun Word origin C16: from Latin obtūsus dulled, past participle of obtundere to beat down; see obtund |
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