123. Distance

See also 264. MEASUREMENT .

echolocation

the fixing of the position of an object by transmitting a signal and measuring the time required for it to bounce back, typically done by radar or sonar.

hodometer

odometer.

nauscopy

the ability, sometimes pretended, to sight ships or land at great distances.

odograph

a device that records the distance traveled; a recording odometer or pedometer.

odometer

a device for measuring the distance passed over, as by an automobile. Also spelled hodometer .

pedometer

a device that measures the distance walked by counting the number of steps taken.

tachymeter

a surveying instrument for measuring distance, height, elevation, etc.

tachymetry

the measurement of distance, height, elevation, etc., with a tachymeter.

telemeter

1 . an instrument for measuring the distance of objects from the observer, as the range finder in artillery.

2 . an electronic device for taking readings from other distant instruments.

telemetry

the science or use of the telemeter; long-distance measurement.

telepheme Rare.

a communication or conversation by telephone.

viameter

an early form of odometer, for measuring the distance traveled by a carriage. Also viatometer .