cyclometer

Tanımlar (İngilizce)

1. isim 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. isim An instrument for measuring circular arcs.
3. isim A machine used to decrypt Enigma machine ciphers.