| 单词 | theodolite |
| 释义 | theodolite (once / 23267 pages) n Use the noun theodolite to describe the telescope-like tool that surveyors use to precisely measure horizontal and vertical angles in three dimensions. Land surveyors, who measure the distances and angles between points for mapmakers or property owners, are familiar with theodolites. A theodolite is an instrument for measuring angles, especially horizontal ones. The Latin prefix theo, which often means "god," here probably has nothing to do with deities. Theodolite was coined from the Latin theodelitus in the sixteenth century, but even experienced etymologists scratch their heads as to how the word was formed. WORD FAMILYtheodolite: theodolites USAGE EXAMPLESIn those days, theodolites positioned on the "trig pillars" could be used to work out elevations by deriving angles from a system of national benchmarks. BBC(Mar 17, 2016) Mapping typically involves tedious ground-level observations with theodolites or pen and paper. Reuters(Aug 25, 2013) Morrison had brought his theodolite, a surveying instrument with a telescope, into Central Park in the early morning and set it up at Belvedere Castle. Scientific American(Feb 15, 2013) n a surveying instrument for measuring horizontal and vertical angles, consisting of a small telescope mounted on a tripod Syn|Hypo|Hyper transit tacheometer, tachymeter a theodolite designed for rapid measurements surveying instrument, surveyor's instrument an instrument used by surveyors |
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