\\sə(r)ˈkəm(p)fəˌrentə(r)\ noun (-s)
Etymology: Latin circumferentia circumference + English -or
1. : a surveyor's compass with diametral projecting arms each carrying a vertical slit sight
2. : a graduated wheel formerly used to measure tires

Useful english dictionary. 2012.

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  • Circumferentor — Cir*cum fer*en tor, n. [See {Circumfer}.] [1913 Webster] 1. A surveying instrument, for taking horizontal angles and bearings; a surveyor s compass. It consists of a compass whose needle plays over a circle graduated to 360[deg], and of a… …   The Collaborative International Dictionary of English

  • Circumferentor — Circumferentor, was Astrolabium; Circumferenz, der Kreisumfang …   Herders Conversations-Lexikon

  • Circumferentor — Drawing of a circumferentor from the Cyclopaedia …   Wikipedia

  • circumferentor — /seuhr kum feuh ren teuhr/, n. Survey. an alidade equipped with a compass and two diametrically opposed vertical arms with slits for sighting through. [1600 10; < L circumferent(ia) CIRCUMFERENCE + OR2] * * * …   Universalium

  • circumferentor — noun An instrument used to measure horizontal angles, consisting of a brass circle and an index, all of one piece …   Wiktionary

  • circumferentor — cir·cum·fer·en·tor …   English syllables

  • circumferentor —   n. surveyor s angle measuring compass instrument …   Dictionary of difficult words

  • Planchette — Plan chette , n. [F. See {Planchet}.] 1. A circumferentor. See {Circumferentor}. [1913 Webster] 2. A small tablet of wood supported on casters and having a pencil attached. The characters produced by the pencil on paper, while the hand rests on… …   The Collaborative International Dictionary of English

  • Graphometer — or semicircle is a surveying instrument used for angle measurements. It consists of a semicircular divided into 180 degrees and sometimes subdivided into minutes. The limb is subtended by the diameter with two sights at its ends. In the middle of …   Wikipedia

  • Azimuth compass — Compass Com pass (k[u^]m pas), n. [F. compas, fr. LL. compassus circle, prop., a stepping together; com + passus pace, step. See {Pace}, {Pass}.] 1. A passing round; circuit; circuitous course. [1913 Webster] They fetched a compass of seven day s …   The Collaborative International Dictionary of English

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