• synonyms


  1. pertaining to or utilizing two or more cones.
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Origin of polyconic

First recorded in 1860–65; poly- + conic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for polyconic

Historical Examples

  • So far the construction is the same for both forms of polyconic.

    Encyclopaedia Britannica, 11th Edition, Volume 17, Slice 6


  • These conditions are substantially fulfilled by several projections, of which the polyconic is used in the United States.

    Nautical Charts

    G. R. Putnam

  • The polyconic projection is not used for very extensive areas of the earth's surface, as for instance a hemisphere.

    Nautical Charts

    G. R. Putnam

  • On polyconic and other larger scale charts distances are measured from the scales printed on the chart.

    Nautical Charts

    G. R. Putnam

  • The polyconic projection (see fig. 5) is used for most Government maps.