stadia
1
[ stey-dee-uh ]
/ ˈsteɪ di ə /
noun
a method of surveying in which distances are read by noting the interval on a graduated rod intercepted by two parallel cross hairs (stadia hairs or stadia wires) mounted in the telescope of a surveying instrument, the rod being placed at one end of the distance to be measured and the surveying instrument at the other.
adjective
pertaining to such a method of surveying.
Origin of stadia
1
First recorded in 1860–65; probably special use of
stadia2
Words nearby stadia
staddle,
staddlestone,
stade,
stader splint,
stadholder,
stadia,
stadia rod,
stadial,
stadimeter,
stadiometer,
stadium
British Dictionary definitions for stadia-hairs (1 of 2)
stadia
1
/ (ˈsteɪdɪə) /
noun
- tacheometry that makes use of a telescopic surveying instrument and a graduated staff calibrated to correspond with the distance from the observer
- (as modifier)stadia surveying
the two parallel cross hairs or stadia hairs in the eyepiece of the instrument used
the staff used
Word Origin for stadia
C19: probably from
stadia ²