photometer

名词 n. 动词 v.
中文释义
英 /fəˈtɒmɪtə(ɹ)/|/ˈfəʊtəʊˌmiːtə(ɹ)/    美 /fəˈtɑmɪtɚ/|/ˈfoʊtoʊˌmitɚ/

英文释义

名词 n.
  1. Any of several instruments used to measure various aspects of the intensity of light.
动词 v.
  1. To measure some aspect of light (from a star) using a photometer.

词形变化

photometers plural photometers present,singular,third-person photometering participle,present photometered participle,past photometered past

词源

词源 1
Etymology tree
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 *-tḗr
Proto-Indo-European *-trom
Proto-Hellenic *-tron
Ancient Greek -τρον (-tron)
Ancient Greek μέτρον (métron)der.
English -meter
English photometer
From photo- + -meter.
词源 2
Etymology tree
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 *-tḗr
Proto-Indo-European *-trom
Proto-Hellenic *-tron
Ancient Greek -τρον (-tron)
Ancient Greek μέτρον (métron)der.
English -meter
English photometer
From photo- + -meter.
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