spectrophotometer

名词 n.
中文释义

英文释义

名词 n.
  1. An instrument used to measure the intensity of electromagnetic radiation at different wavelengths.

词形变化

spectrophotometers plural

词源

Etymology tree
Proto-Indo-European *speḱ-
Proto-Indo-European *-yeti
Proto-Indo-European *spéḱyeti
Proto-Italic *spekjō
Latin speciō
Proto-Indo-European *-tḗr
Proto-Indo-European *-trom
Proto-Italic *-trom
Latin -trum
Latin spectrumbor.
English spectrum
English spectro-
Proto-Indo-European *bʰeh₂-
Proto-Indo-European *bʰéh₂os
Proto-Hellenic *pʰáwos
Ancient Greek φᾰ́ος (phắos)
Ancient Greek φῶς (phôs)
Ancient Greek φωτο- (phōto-)der.
English photo-
Proto-Indo-European *meh₁-
▲
Proto-Indo-European *-trom
Proto-Hellenic *-tron
Ancient Greek -τρον (-tron)
Ancient Greek μέτρον (métron)der.
English -meter
English photometer
English spectrophotometer
From spectro- + photometer.
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