microphotometer

名词 n.
中文释义

英文释义

名词 n.
  1. Any of various photometers used either to measure the variation of densities over small areas, or to measure accurately small changes in illumination.

词形变化

microphotometers plural

词源

Etymology tree
Proto-Indo-European *mey-der.?
Ancient Greek μικρός (mikrós)der.
English micro-
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 microphotometer
From micro- + photometer.
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