| 单词 | spectroheliograph |
| 释义 | spectroheliograph —spectroheliographic /spek'troh hee'lee euh graf"ik/, adj. /spek'troh hee"lee euh graf', -grahf'/, n. an apparatus for making photographs of the sun with a monochromatic light to show the details of the sun's surface and surroundings as they would appear if the sun emitted only that light. [1890-95; SPECTRO- + HELIOGRAPH] |
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