English Explanatory Dictionary

keystone

English dictionary entry

Meanings

noun
  1. The top stone of an arch.
  2. Something on which other things depend for support.
  3. A retail price that is double the cost price; a markup of 100%.
  4. The combination of the shortstop and second baseman.
verb
  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.
  2. To double the cost price in order to determine the retail price; to apply a markup of 100%.
name
  1. A census-designated place in Colorado.
  2. A city and town in Iowa.
  3. A ghost town in North Dakota.
  4. A town in South Dakota.

Pronunciation

LL-Q1860 (eng)-Flame, not lame-keystone.wav /ˈkiː.stəʊn/

Word forms

keystone keystones keystoning keystoned

Etymology

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

Derived words

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