keystone

名词 n. 动词 v.
中文释义

英文释义

名词 n.
  1. The top stone of an arch.
    — The tunnel, which is 1,000 yd. long, had been closed to passenger traffic since November 17, 1949, after some of the keystones had worked loose.
  2. Something on which other things depend for support.
    — Tension between empirical and theoretical knowledge is keystone to sociological and to organizational theories, as early as in Marx's and Weber's frameworks.
  3. A retail price that is double the cost price; a markup of 100%.
  4. The combination of the shortstop and second baseman.
动词 v.
  1. To distort (an image) by projecting it onto a surface at an angle, which for example causes a square to look like a trapezoid. transitive
  2. To double the cost price in order to determine the retail price; to apply a markup of 100%. transitive

词形变化

keystones plural keystones present,singular,third-person keystoning participle,present keystoned participle,past keystoned past

词汇关系

衍生词
Keystone Cop keystone corner keystone correction keystone effect keystone picture keystone pricing Keystoner keystone species Keystone State

词源

词源 1
From key + stone.
Definition 4 (retail) possibly originated in the jewelry industry in the magazine called "Jewelers' Circular-Keystone".
词源 2
From key + stone.
Definition 4 (retail) possibly originated in the jewelry industry in the magazine called "Jewelers' Circular-Keystone".
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