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

Collaborative International Dictionary (GCIDE)
Tithonometer

n. [ Tithonic + -meter. ] An instrument or apparatus for measuring or detecting tithonicity; an actinometer. [ R. ] [ 1913 Webster ]


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