1 ผลลัพธ์ สำหรับ -photoheliograph-
หรือค้นหา: -photoheliograph-, *photoheliograph*

Collaborative International Dictionary (GCIDE)
Photoheliograph

n. [ Photo- + heliograph. ] (Physics) A modified kind of telescope adapted to taking photographs of the sun. [ 1913 Webster ]


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