planometer

名词 n.
中文释义

英文释义

名词 n.
  1. A flat, metal plate used for estimating the flatness of a machined part; a surface plate.

词形变化

planometers plural

词源

Etymology tree
English plano-
Proto-Indo-European *meh₁-
Proto-Indo-European *-trom
Proto-Hellenic *-tron
Ancient Greek -τρον (-tron)
Ancient Greek μέτρον (métron)der.
English -meter
English planometer
From plano- + -meter.
0 次浏览 数据来源: Wiktionary