pedometern.

1723 E. Stone tr. N. Bion Constr. & Principal Uses Math. Instruments iii. ii. 88 Construction of the Pedometer or Waywiser.

1728 E. Chambers Cycl. Pedometer, or Podometer, or Way-wiser, a Mechanical Instrument, in form of a Watch; consisting of various Wheels..which by means of a Chain or String fastned to a Man's Foot..advance a Notch each Step.

1786 T. Jefferson Let. 8 Feb. in Writings (1984) 850 For 12 louis more you can have..a pedometer which shall render you an exact account of the distances you walk.

1843 Jrnl. Royal Geogr. Soc. 13 113 The distance from Teráneh to Zakúk is about 38 miles, as measured by the pace of my camels and a pocket pedometer.

1880 ‘M. Twain’ Tramp Abroad xi. 102 Harris carried the little watch-like machine called a ‘pedometer’, whose office is to keep count of a man's steps and tell how far he has walked.

1897 Geogr. Jrnl. 10 170 In the rough country between Bandawe and Hora, where there was a good deal of stiff climbing, the pedometers, worn attached to the waist-belt, proved quite unreliable.

1912 Science 13 Dec. 826/2 The right sort of pedometer is not a pace counter and the numbers on the dial show directly the distance traversed... When short steps are taken the pendulum does not pass through the whole arc of its possible movements and the distance registered is consequently less.

1924 M. M. Atkeson Woman on Farm iii. 44 In figuring distances, a pedometer is helpful, or the counting of the steps one takes in getting a meal or mixing a cake.

1989 M. Meyer Not Prince Hamlet iii. 48 He was still a great walker, and carried a pedometer so that he could record how many miles he had covered each year.

1728 E. Chambers Cycl. at Perambulator An Instrument for the measuring of Distances, call'd also Pedometer.

1755 J. Rogers Diss. Knowl. Ancients ix. 74 The 365 diurnal Rotations of the Earth measure its Orbit, as a Pedometer or Surveyor's Wheel does its Surface.

1795 L. Tugwell in Lett. & Papers Agric. (Bath & West of Eng. Soc.) VII. 331 In conformity to the simplicity above-mentioned of Mr. Edgworth's Pedometer, he found it necessary to attempt nothing more in its operations, than the measuring roads, distances, &c.

1875 E. H. Knight Pract. Dict. Mech. Walking-wheel, a pedometer.

1880 Scribner's Monthly July 478/2 One of the wheels, by a simple pedometric device, gives the distance traversed and makes a scale for comparison with the profile trace.

2003 Chicago Tribune (Nexis) 12 Feb. 1 I was so unsavvy about pedometric progress that I didn't understand the difference between these new pedometers, which count steps taken, and the old-fashioned kind that measure distance traveled.

1783 J. Fischer Brit. Patent 1377 6 A pedometrical watch can be made also with two dyal plates.

1885 A. Stewart 'Twixt Ben Nevis & Glencoe ix A method of pedometrically ascertaining the maximum and minimum of spring temperatures.