Definition of Bench mark

1. Noun. A surveyor's mark on a permanent object of predetermined position and elevation used as a reference point.

Exact synonyms: Benchmark
Generic synonyms: Point Of Reference, Reference, Reference Point

Medical Definition of Bench mark

1. A fixed, more or less permanent reference point or object of known elevation, the U.S. Geological Survey (USGS) installs brass caps in bridge abutments or otherwise permanently sets bench marks at convenient locations nationwide, the elevations on these marks are referenced to the National Geodetic Vertical Datum (NGVD), also commonly known as mean sea level (MSL), locations of these bench marks on USGS topographic maps are shown as small triangles, since the marks are sometimes destroyed by construction or vandalism, the existence of any bench mark should be field verified before planning work which relies on a particular reference point, the USGS or local state surveyors office can provide information on the existence, exact location and exact elevation of bench marks. (09 Oct 1997)

Lexicographical Neighbors of Bench Mark

benchlands
benchless
Benchley
benchmark
benchmarked
benchmarking
benchmarking
benchmarkings
benchmarks
benchtop
benchwarmer
benchwarmers
bench clamp
bench lathe
bench mark (current term)
bench mark (current term)
bench press
bench testing
bench vise
bench warmer
bench warrant
bencyclane
bend
bend
bendability
bendable
benday
bendayed
bendaying
bendays

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