pyrheliometer

名词 n.
中文释义

英文释义

名词 n.
  1. A device that measures the intensity of solar radiation received on the surface of the earth.

词形变化

pyrheliometers plural

词源

Etymology tree
Proto-Indo-European *péh₂wr̥
Proto-Hellenic *pāwər
Ancient Greek πῦρ (pûr)
Latin pyr
English pyro-
English pyr-
Proto-Indo-European *sóh₂wl̥
Proto-Indo-European *sh₂wél(i)yos
Proto-Hellenic *hāwélios
Ancient Greek ἥλῐος (hḗlĭos)
English helio-
Proto-Indo-European *meh₁-
Proto-Indo-European *-trom
Proto-Hellenic *-tron
Ancient Greek -τρον (-tron)
Ancient Greek μέτρον (métron)der.
English -meter
English pyrheliometer
From pyr- + helio- + -meter.
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