单词 | steregon |
释义 | steregon Solid Geom.|ˈstɛriːgɒn| [irreg. f. Gr. στερε-ός solid + γωνία angle.] (See quot. 1881.)
1881Halsted Mensuration 78 A steregon, the natural unit of solid angle, is the whole amount of solid angle about a point in space. 1883W. Thomson in Encycl. Brit. XVI. 25/2 [Adopts the word from Halstead, but uses it for ‘a plane solid angle’, i.e. the amount of solid angle at the centre which is subtended by the hemisphere]. |

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