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单词 pyrheliometer
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pyr•he•li•om•e•ter  (pīər′hē lē omi tər, pir′-),USA pronunciation n. [Astrophysics.]
  1. an instrument for measuring the total intensity of the sun's energy radiation.
  • 1860–65; pyr- + helio- + -meter
pyr•he•li•o•met•ric  (pīər′hē lē ə metrik, pir′-),USA pronunciation adj. 
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更新时间:2025/2/23 14:49:04