cyclometer

名词 n.
中文释义

英文释义

名词 n.
  1. A device that counts the revolutions of a bicycle wheel in order to indicate distance travelled.
    — While here at Constantinople I received by mail from America a Butcher spoke cyclometer, and on the second visit to Prinkipo I measured the road which has been made around half the island; the distance is four English miles and a fraction.
  2. An instrument for measuring circular arcs.
  3. A machine used to decrypt Enigma machine ciphers. historical

词形变化

cyclometers plural

词源

From cyclo- + -meter.
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